CN211855341U - Measuring instrument convenient for engineering investigation and fixed use - Google Patents

Measuring instrument convenient for engineering investigation and fixed use Download PDF

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Publication number
CN211855341U
CN211855341U CN202020772317.8U CN202020772317U CN211855341U CN 211855341 U CN211855341 U CN 211855341U CN 202020772317 U CN202020772317 U CN 202020772317U CN 211855341 U CN211855341 U CN 211855341U
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CN
China
Prior art keywords
rod
plate
supporting
mounting
fixed
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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.)
Expired - Fee Related
Application number
CN202020772317.8U
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Chinese (zh)
Inventor
马佳宽
胡涌泉
胡恩华
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.)
Sichuan Zhongen Geotechnical Engineering Co ltd
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Sichuan Zhongen Geotechnical Engineering 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.)
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Priority to CN202020772317.8U priority Critical patent/CN211855341U/en
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Publication of CN211855341U publication Critical patent/CN211855341U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model relates to the technical field of architectural survey, in particular to a measuring instrument convenient for fixed use in engineering survey, which comprises a connecting plate, wherein a carrier plate is fixedly arranged at the top end of the connecting plate, sliding grooves are transversely arranged at the front side and the rear side of the top end of the carrier plate, a threaded rod is transversely and movably arranged in the sliding grooves, the left side and the right side of the threaded rod are provided with screw threads in opposite directions, and the left side and the right side of the threaded rod are respectively in threaded connection with a sliding block matched with the sliding grooves, the utility model has the advantages of simple structure and convenient operation, can adjust the height of the measuring instrument, does not need to touch supporting legs in the adjusting process, effectively avoids the situation that the instrument needs to be re-erected for a rear view point due to the movement of the supporting legs, saves time and labor in the adjusting process, is worthy of popularization and application.

Description

Measuring instrument convenient for engineering investigation and fixed use
Technical Field
The utility model relates to an architectural measurement technical field especially relates to a make things convenient for fixed measuring apparatu that uses of engineering reconnaissance.
Background
When the existing surveying and mapping instrument is used, the surveying and mapping instrument is placed on the three-leg frame for surveying and mapping through adjusting the level of the mounting table on the three-leg frame. The height of the position where the instrument is located is sometimes adjusted according to actual measurement conditions in the use process, the existing method is to shorten the supporting legs of the tripod, on one hand, the time and labor are wasted, on the other hand, the supporting legs of the tripod are easy to move in the adjustment process, so that the instrument needs to be rested for a rear viewpoint, a large amount of time is spent, the supporting legs are single in function, the smooth ground is easy to slip, the stability is poor, the instrument cannot adapt to different terrains to be used, and therefore the measuring instrument which is convenient for engineering investigation and fixed use is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a measuring instrument which is convenient for engineering investigation and is used fixedly.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a measuring instrument convenient for engineering investigation and fixed use is designed, comprising a connecting plate, a carrier plate is fixedly installed at the top end of the connecting plate, sliding grooves are transversely formed in the front side and the rear side of the top end of the carrier plate, a threaded rod is transversely and movably installed in the sliding grooves, threads in opposite directions are arranged on the left side and the right side of the threaded rod, sliding blocks matched with the sliding grooves are in threaded connection with the left side and the right side of the threaded rod, connecting rods are movably installed at the top ends of the two connecting rods positioned on the same side through first connecting seats, second connecting seats are movably installed at the top ends of the two connecting rods positioned on the same side together, a top plate is fixedly installed at the top ends of the two second connecting seats together, the right end of the threaded rod penetrates through the side wall of the sliding groove and extends to the outer part, the bottom end of the connecting plate is provided with three mounting grooves in an equidistant way, an inner supporting leg is movably connected in the mounting grooves through a pin shaft, an outer supporting leg is sleeved outside the inner supporting leg, a cavity is arranged inside the outer supporting leg, the bottom end of the inner supporting leg is positioned in the cavity of the outer supporting leg and is fixedly provided with a limiting plate matched with the cavity, fixing grooves are formed in the right side of the inner supporting leg from top to bottom in an equidistant way, fixing rods are inserted into the upper part of the right side of the outer supporting leg in a transverse threaded way, the left ends of the fixing rods are matched with the fixing grooves and extend into the fixing grooves, a retracting groove is vertically formed in the lower part of one side, away from the fixing rods, of the outer supporting leg, a connecting rod is movably mounted in the middle of the retracting groove through a connecting shaft, a retracting opening is transversely formed in one, the bottom of the inner screw rod extends to the supporting legs fixedly connected with the outer portion of the connecting rod, the upper portion of the inner wall of one side, close to the fixing rod, of the containing groove is fixedly provided with the magnet plate, and the inner side of the outer supporting leg is provided with the adjusting and supporting device.
Preferably, the outside middle part fixed mounting of support plate has the mounting bracket, the middle part movable mounting of mounting bracket has the installation axle, the outside fixed mounting of installation axle has the tape measure clockwork spring, the outside of installation axle and the outside rolling that is located the tape measure clockwork spring have the tape measure, the inboard top fixed connection with the tape measure clockwork spring of tape measure, the outside middle part fixed mounting of roof has the link plate, the top fixed connection of tape measure is in the middle part of link plate.
Preferably, the sectional size of the left end of the fixing rod is greater than that of the shaft thereof.
Preferably, the supporting legs are conical and made of iron, and the volume of the supporting legs is smaller than that of the accommodating groove.
Preferably, the adjusting and supporting device comprises a supporting foot plate, the supporting foot plate is movably mounted at the bottom of the inner side of the outer supporting leg through a third connecting seat, an inner supporting rod is movably mounted at the upper portion of the inner side of the outer supporting leg through a fourth connecting seat, an outer supporting rod is sleeved on the outer threaded sleeve of the inner supporting rod, a fifth connecting seat is movably connected to the bottom end of the outer supporting rod, and the bottom end of the fifth connecting seat is fixedly mounted at the top end of the supporting foot plate.
Preferably, the outer side of the outer support rod is sleeved with a rubber sleeve.
Preferably, the inner side of the supporting foot plate is provided with an anti-skid rubber pad.
Preferably, the outer side of the threaded rod positioned at the front side and positioned between the chain wheel and the carrier plate are fixedly sleeved with a ratchet wheel, and the upper part of the right side of the carrier plate is movably provided with a pawl matched with the ratchet wheel.
The utility model provides a pair of make things convenient for fixed measuring apparatu of using of engineering reconnaissance, beneficial effect lies in: when the device is used, the fixed rod is rotated reversely to move outwards along the outer leg to enable the left end of the fixed rod to leave the fixed groove, the inner leg can slide up and down along the inner cavity of the outer leg to change the integral length of the leg, the fixed rod is rotated forwardly after being adjusted to a proper length as required, the fixed rod moves inwards along the outer leg to enable the left end of the fixed rod to enter the fixed groove again to fix the inner leg and the outer leg, so that the adjusted length of the leg is fixed, the three inner legs rotate around the pin shaft to enable the three inner legs to be opened for a certain angle and then to be supported by the supporting legs at the bottom end, when the device is used in the land, the supporting legs can be inserted into the soil to enable the supporting to be more stable, after the height and the angle of the leg are adjusted, the top plate is adjusted to be horizontal, the device is arranged on the top plate, when the height of the device needs to, the front side chain wheel drives a chain wheel at the rear side to rotate through a chain, the chain wheel drives a threaded rod to rotate, so that two sliding blocks are driven to move in a sliding groove along the surface of the threaded rod in a manner of approaching each other, so that two first connecting seats are driven to move in a manner of approaching each other, a connecting rod is driven to lift, and a second connecting seat is driven to lift; when the support leg is operated on a smooth ground, the support leg is rotated reversely, the support leg drives the inner screw rod to rotate along with the support leg, the inner screw rod moves downwards along the connecting rod, so that the top end of the support leg is separated from the bottom end of the outer support leg, the support leg and the inner screw rod rotate along the connecting rod to the position where the connecting rod is separated from the receiving inlet, the support leg is received in the receiving groove and fixed by the magnet plate so as not to be separated from the receiving groove, the outer support rod is rotated forwardly to move downwards along the inner support rod, meanwhile, the outer support rod is pulled outwards to rotate around the fourth connecting seat and form a certain angle with the outer support leg, the outer support rod continues to rotate, the fifth connecting seat is driven to move along with the continuous downward movement of the outer support rod, the fifth connecting seat drives the support foot plate to rotate downwards around the third connecting seat, so that the support foot plate is, because the support foot board is big with ground area of contact, consequently can be more stable than the supporting legs on smooth subaerial for can switch the use according to the ground condition, thereby make whole instrument use more stable.
The utility model discloses simple structure, it is easy and simple to handle, can adjust the height of measuring apparatu and need not touch the landing leg in the adjustment process, effectually avoided because of the landing leg removes the condition that leads to needing to put up the instrument again to the back sight point takes place, adjustment process labour saving and time saving, and the supporting legs can switch over the use for can select according to actual topography, thereby make the use of measuring apparatu more stable, be worth promoting and using.
Drawings
Fig. 1 is a schematic structural view of a measuring instrument convenient for fixed use in engineering investigation according to the present invention;
fig. 2 is a schematic top view of a cross-sectional structure of a measuring instrument for facilitating fixed use in engineering investigation;
fig. 3 is a schematic view of the upper structure of a measuring instrument convenient for fixed use in engineering investigation;
fig. 4 is an enlarged schematic structural view of fig. 1A according to the present invention;
fig. 5 is an enlarged schematic structural view of fig. 1B according to the present invention;
fig. 6 is an enlarged schematic structural diagram of fig. 3C according to the present invention.
In the figure: the connecting plate 1, the carrier plate 2, the sliding groove 3, the threaded rod 4, the sliding block 5, the first connecting seat 6, the connecting rod 7, the second connecting seat 8, the top plate 9, the chain wheel 10, the chain 11, the crank 12, the ratchet 13, the pawl 14, the inner supporting leg 15, the outer supporting leg 16, the limiting plate 17, the fixing groove 18, the fixing rod 19, the receiving groove 20, the connecting rod 21, the receiving opening 22, the inner screw rod 23, the supporting leg 24, the magnet plate 25, the third connecting seat 26, the supporting leg plate 27, the fourth connecting seat 28, the inner supporting rod 29, the outer supporting rod 30, the fifth connecting seat 31, the mounting rack 32, the tape spring 33, the tape 34, the hanging plate 35, the connecting shaft 36 and the adjusting and supporting device.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-6, a measuring instrument convenient for fixed use in engineering investigation comprises a connecting plate 1, a carrier plate 2 is fixedly mounted on the top end of the connecting plate 1, sliding grooves 3 are transversely formed in the front side and the rear side of the top end of the carrier plate 2, a threaded rod 4 is transversely and movably mounted in the sliding grooves 3, threads in opposite directions are arranged on the left side and the right side of the threaded rod 4, sliders 5 matched with the sliding grooves 3 are respectively in threaded connection with the left side and the right side of the threaded rod 4, connecting rods 7 are movably mounted on the top ends of the sliders 5 through first connecting seats 6, second connecting seats 8 are movably mounted on the top ends of the two connecting rods 7 on the same side together, a top plate 9 is fixedly mounted on the top ends of the two second connecting seats 8 together, a mounting frame 32 is fixedly mounted in the middle of the outer side of the carrier plate 2, a mounting shaft is movably, the inboard of tape 34 and the top fixed connection of tape measure clockwork spring 33, the outside middle part fixed mounting of roof 9 has link plate 35, the top fixed connection of tape 34 is in the middle part of link plate 35, when the height at the rising measuring apparatu, roof 9 rises and drives link plate 35 motion thereupon and drive tape 34 extension of motion thereupon, its bottom drives the installation axle and rotates and drive tape measure clockwork spring 33 tensile simultaneously when tape 34 extends, tape measure 33 deformation produces the effort, the height of instrument lifting is known to the reading of accessible tape 34, when the instrument height needs to be reduced, thereby make roof 9 descend and drive link plate 35 descend and then drive tape 34 and descend, tape measure clockwork spring 33 release effort drives tape measure 34 rolling this moment, make tape measure 34 be in the state of tightening, the height that descends can be known to through the reading of tape measure 34.
The right-hand member of threaded rod 4 passes the lateral wall of spout 3 and extends to the outside fixed mounting of support plate 2 and has sprocket 10, be connected through chain 11 between two sprockets 10, the right side middle part fixed mounting who is located the sprocket 10 of front side has crank 12, the outside that is located the threaded rod 4 of front side just is located fixed cover between sprocket 10 and the support plate 2 and is equipped with ratchet 13, the right side upper portion movable mounting of support plate 2 has pawl 14 with ratchet 13 assorted, can restrict the rotation direction of threaded rod 4 through the cooperation of ratchet 13 and pawl 14, make threaded rod 4 can not the counter rotation under the condition of no external force intervention, make the instrument use more stable.
Three mounting grooves are formed in the bottom end of the connecting plate 1 in an equidistant mode in a surrounding mode, an inner supporting leg 15 is movably connected into the mounting grooves through a pin shaft, an outer supporting leg 16 is sleeved outside the inner supporting leg 15, a cavity is formed in the outer supporting leg 16, the bottom end of the inner supporting leg 15 is located in the cavity of the outer supporting leg 16, a limiting plate 17 matched with the cavity is fixedly mounted at the bottom end of the inner supporting leg 15, the inner supporting leg 15 can move up and down along the cavity in the outer supporting leg 16 to achieve adjustment of the length of the supporting leg, the limiting plate 17 enables the inner supporting leg 15 to move stably, shaking cannot occur in the moving process, and the inner supporting leg cannot be pulled out of the outer supporting leg 16, fixing grooves 18 are formed in the right side of the inner supporting leg 15 in an equidistant mode from top to bottom, fixing rods 19 are transversely threaded on the upper portion of the right side of the outer supporting leg 16, the left end of the.
The lower part of one side of the outer supporting leg 16, which is far away from the fixing rod 19, is vertically provided with a receiving groove 20, the middle part of the receiving groove 20 is movably provided with a connecting rod 21 through a connecting shaft 36, one side of the bottom end of the outer supporting leg 16, which is far away from the fixing rod 19, is transversely provided with a receiving opening 22, the bottom end of the connecting rod 21 downwards penetrates through the receiving opening 22, an inner screw 23 is inserted in the internal vertical thread of the connecting rod 21, the bottom end of the inner screw 23 extends to an external fixedly connected supporting leg 24 of the connecting rod 21, the supporting leg 24 is conical and made of iron, the size of the supporting leg is smaller than that of the receiving groove 20, the supporting leg 24 can be received into the receiving groove 20, the supporting leg 24 can be fixed in the receiving groove.
The upper part of the inner wall of one side of the receiving groove 20 close to the fixing rod 19 is fixedly provided with a magnet plate 25, the inner side of the outer leg 16 is provided with an adjusting and supporting device 40, the adjusting and supporting device 40 comprises a supporting foot plate 27, the inner side of the supporting foot plate 27 is provided with an anti-skidding rubber pad, the friction force between the supporting foot plate 27 and the ground is increased, the stability of the supporting foot plate 27 is increased, and therefore the stability of the measuring instrument is improved.
The supporting foot plate 27 is movably mounted at the bottom of the inner side of the outer supporting leg 16 through a third connecting seat 26, an inner support rod 29 is movably mounted at the upper part of the inner side of the outer supporting leg 16 through a fourth connecting seat 28, an outer support rod 30 is sleeved on the outer portion of the inner support rod 29 in a threaded manner, a rubber sleeve is sleeved on the outer side of the outer support rod 30, the friction force between the outer support rod 30 and the hand is increased, and the outer support rod 30 can be rotated better.
The bottom end of the outer supporting rod 30 is movably connected with a fifth connecting seat 31, and the bottom end of the fifth connecting seat 31 is fixedly arranged at the top end of the supporting foot plate 27.
The working principle is as follows: when the device is used, the fixing rod 19 is rotated reversely to move outwards along the outer leg 16 to enable the left end of the fixing rod to leave the fixing groove 18, at the moment, the inner leg 15 can slide up and down along the inner cavity of the outer leg 16 to change the integral length of the leg, the fixing rod 19 is rotated forwardly after being adjusted to a proper length as required, the fixing rod 19 moves inwards along the outer leg 16 to enable the left end of the fixing rod to enter the fixing groove 18 again to fix the inner leg 15 and the outer leg 16, so that the adjusted leg length is fixed, the three inner legs 15 are rotated around the pin shaft to enable the three inner legs 15 to be opened for a certain angle and then supported through the supporting legs 24 at the bottom end, when the device is used in the land, the supporting legs 24 can be inserted into the soil to enable the supporting to be more stable, after the height and the angle of the legs are adjusted, the device is installed on the top plate 9 until the top plate 9 is horizontal, when the device height needs to be increased, the front side chain wheel 10 drives the rear side chain wheel 10 to rotate through the chain 11, the chain wheel 10 drives the threaded rod 4 to rotate, so that the two sliding blocks 5 are driven to move close to each other in the sliding groove 3 along the surface of the threaded rod 4, the two first connecting seats 6 are driven to move close to each other, the connecting rod 7 is driven to lift, the second connecting seat 8 drives the top plate 9 to lift, the height of an instrument is lifted, the rotating direction of the threaded rod 4 can be limited through the matching of the ratchet 13 and the pawl 14, the threaded rod 4 cannot rotate reversely under the condition of no external force intervention, the height of the instrument after adjustment is fixed, when the height of the instrument needs to be reduced, the ratchet 13 is separated from the pawl 14, and the crank 12 is rotated reversely, so that the height of the instrument is reduced; when the operation is carried out on smooth ground, the supporting foot 24 is rotated reversely, the supporting foot 24 drives the inner screw 23 to rotate along with the inner screw 23, the inner screw 23 moves downwards along the connecting rod 21, so that the downward movement of the supporting foot 24 is realized, the top end of the supporting foot 24 is separated from the bottom end of the outer leg 16, the supporting foot 24 and the inner screw 23 rotate along the connecting rod 21 around the connecting shaft 36 until the connecting rod 21 leaves the receiving inlet 22, the supporting foot 24 is received in the receiving groove 20 and is fixed by the magnet plate 25 so as not to be separated from the receiving groove 20, the outer support rod 30 is rotated forward to move downwards along the inner support rod 29, meanwhile, the outer support rod 30 is pulled outwards to rotate around the fourth connecting seat 28 to form a certain angle with the outer leg 16, the outer support rod 30 continues to rotate, and the fifth connecting seat 31 moves along with the continuous downward movement of the outer support rod 30, the fifth connecting seat 31 drives the supporting foot 27 to rotate downwards around the third, thereby make support foot board 27 and ground contact support outer landing leg 16, because support foot board 27 and ground area of contact are big, consequently can be more stable than supporting legs 24 on smooth subaerial for can switch the use according to the ground condition, thereby make whole instrument use more stable.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (8)

1. The utility model provides a make things convenient for fixed measuring apparatu that uses of engineering investigation, includes connecting plate (1), its characterized in that, the top fixed mounting of connecting plate (1) has support plate (2), spout (3) have all transversely been seted up to both sides around the top of support plate (2), horizontal movable mounting has threaded rod (4) in spout (3), the left and right sides of threaded rod (4) is equipped with opposite direction's screw thread, the equal threaded connection in the left and right sides of threaded rod (4) has and spout (3) assorted slider (5), there is connecting rod (7) on the top of slider (5) through first connecting seat (6) movable mounting, is located two of homonymy the common movable mounting in top of connecting rod (7) has second connecting seat (8), two the common fixed mounting in top of second connecting seat (8) has roof (9), the right-hand member of threaded rod (4) passes the lateral wall of spout (3) and extends to the external fixation of support plate Install sprocket (10), two be connected through chain (11) between sprocket (10), be located the front side the right side middle part fixed mounting of sprocket (10) has crank (12), the bottom equidistance of connecting plate (1) encircles and has seted up three mounting groove, there is interior landing leg (15) through round pin axle swing joint in the mounting groove, the outside cover of interior landing leg (15) is equipped with outer landing leg (16), the inside of outer landing leg (16) is equipped with the cavity, the bottom of interior landing leg (15) is located the cavity of outer landing leg (16) and fixed mounting has with cavity assorted limiting plate (17), fixed slot (18) have been seted up to the right side top-down equidistance of interior landing leg (15), the horizontal screw thread interlude in right side upper portion of outer landing leg (16) has dead lever (19), the left end and the fixed slot (18) phase-match of dead lever (19) extend to in fixed slot (18), the utility model discloses a fixing rod, including outer landing leg (16), connecting shaft (36), the bottom of outer landing leg (16) is kept away from one side lower part of dead lever (19) and is vertically seted up receipts groove (20), the middle part of receiving groove (20) has connecting rod (21) through connecting axle (36) movable mounting, one side that dead lever (19) was kept away from to the bottom of outer landing leg (16) has transversely seted up receipts entry (22), the bottom of connecting rod (21) is passed downwards and is received entry (22), the inside vertical screw thread interlude of connecting rod (21) has interior screw rod (23), the bottom of interior screw rod (23) extends to outside fixedly connected with supporting legs (24) of connecting rod (21), the upper portion fixed mounting that receives groove (20) and is close to one side inner wall of dead lever (19) has magnet board (25), the inboard.
2. The measuring instrument facilitating fixed use in engineering investigation according to claim 1, wherein a mounting frame (32) is fixedly mounted in the middle of the outer side of the carrier plate (2), a mounting shaft is movably mounted in the middle of the mounting frame (32), a tape spring (33) is fixedly mounted in the outer side of the mounting shaft, a tape (34) is wound in the outer side of the mounting shaft and located in the outer side of the tape spring (33), the inner side of the tape (34) is fixedly connected with the top end of the tape spring (33), a hanging plate (35) is fixedly mounted in the middle of the outer side of the top plate (9), and the top end of the tape (34) is fixedly connected in the middle of the hanging plate (35).
3. The surveying instrument facilitating fixed use in engineering surveys of claim 1, wherein the cross-sectional dimension of the left end of the fixing rod (19) is larger than the cross-sectional dimension of its shaft.
4. The surveying instrument facilitating fixed use in engineering investigations according to claim 1, characterized in that the supporting feet (24) are conical and made of iron, the volume of which is smaller than the volume of the receiving groove (20).
5. The measuring instrument facilitating the fixed use of engineering investigation according to claim 1, wherein the adjusting and supporting device (40) comprises a supporting foot plate (27), the supporting foot plate (27) is movably mounted at the bottom of the inner side of the outer leg (16) through a third connecting seat (26), the inner upper part of the inner side of the outer leg (16) is movably mounted with an inner supporting rod (29) through a fourth connecting seat (28), an outer supporting rod (30) is sleeved on the outer thread of the inner supporting rod (29), a fifth connecting seat (31) is movably connected to the bottom end of the outer supporting rod (30), and the bottom end of the fifth connecting seat (31) is fixedly mounted at the top end of the supporting foot plate (27).
6. A measuring instrument facilitating fixed use in engineering investigation according to claim 5, characterised in that the outer side of the outer pole support (30) is fitted with a rubber sleeve.
7. A measuring instrument facilitating fixed use in engineering investigations according to claim 5, characterized in that the inside of the supporting foot plate (27) is provided with a non-slip rubber pad.
8. The measuring instrument facilitating the fixed use of engineering investigation according to claim 1, characterized in that a ratchet (13) is fixedly sleeved outside the threaded rod (4) at the front side and between the chain wheel (10) and the carrier plate (2), and a pawl (14) matched with the ratchet (13) is movably installed at the upper part of the right side of the carrier plate (2).
CN202020772317.8U 2020-05-11 2020-05-11 Measuring instrument convenient for engineering investigation and fixed use Expired - Fee Related CN211855341U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020772317.8U CN211855341U (en) 2020-05-11 2020-05-11 Measuring instrument convenient for engineering investigation and fixed use

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020772317.8U CN211855341U (en) 2020-05-11 2020-05-11 Measuring instrument convenient for engineering investigation and fixed use

Publications (1)

Publication Number Publication Date
CN211855341U true CN211855341U (en) 2020-11-03

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CN202020772317.8U Expired - Fee Related CN211855341U (en) 2020-05-11 2020-05-11 Measuring instrument convenient for engineering investigation and fixed use

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112129277A (en) * 2020-11-05 2020-12-25 山东世纪瑞文信息技术有限公司 A high accuracy measuring instrument installation base for engineering survey and drawing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112129277A (en) * 2020-11-05 2020-12-25 山东世纪瑞文信息技术有限公司 A high accuracy measuring instrument installation base for engineering survey and drawing

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Granted publication date: 20201103