CN211452296U

CN211452296U - Novel tower ruler for measuring height of interior standard of vertical foundation pit

Info

Publication number: CN211452296U
Application number: CN201921864819.7U
Authority: CN
Inventors: 张定邦; 孟鸳; 程涛; 袁建议; 陈合龙; 齐港; 张礼
Original assignee: Hubei Polytechnic University
Current assignee: Hubei Polytechnic University
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-09-08
Anticipated expiration: 2029-11-01

Abstract

The utility model discloses a measure high novel sopwith staff in vertical foundation ditch hole, including cantilever type sopwith staff base, cantilever type sopwith staff tray and sopwith staff, cantilever type sopwith staff base is the triangular prism structure, and cantilever type sopwith staff tray includes the fixed screw of steel pipe, lifter fixing bolt, sopwith staff fixed slot, the fixed buckle of sopwith staff, circle bubble magnifying glass bracing piece, circle bubble groove, circle bubble, rag bolt, horizontal support pole, lighting bulb, power socket. The utility model can cooperate with the level gauge to effectively complete the height measurement work in the foundation pit; the inconvenience of manual ruler holding and the caused measurement error are avoided; set up the illumination bulb towards the body of the sopwith staff on the sopwith staff tray, can provide sufficient lighting condition for the measurement area that light is not enough or dim, when having solved measurement area light dim or night measurement, the visual degree is too low and the elevation reading error problem that causes.

Description

Novel tower ruler for measuring height of interior standard of vertical foundation pit

Technical Field

The utility model relates to an engineering survey field, in particular to measure high novel sopwith staff in vertical foundation ditch hole.

Background

Under normal conditions, the maximum height value of the traditional sliding staff used in the height measurement is 5m, and the measured height range is between-5 m and 0m of the height of the sight line of the lens of the measuring instrument; when the point elevation that needs to measure is lower than measuring instrument camera lens sight height more than 5m, especially when these points are located the pit inslot portion, can't read the elevation scale on the sopwith staff, lead to the measurement work to go on, simultaneously, near measuring position point because narrow, smooth, reasons such as slope are unfavorable for the vertical ruler people to hold up the chi during operation, the sopwith staff appears rocking or slope phenomenon easily, thereby lead to measuring error's production, in addition, when measuring regional light is dim, measure the visibility not enough, seriously influence the precision of measuring.

Disclosure of Invention

The utility model aims to solve the technical problem of overcoming the defects of the prior art, and provides a novel tower ruler for measuring the height in a vertical foundation pit, which can be matched with a level gauge to effectively complete the height measurement work in the foundation pit; the inconvenience of manual ruler holding and the caused measurement error are avoided; set up the illumination bulb towards the body of the sopwith staff on the sopwith staff tray, can provide sufficient lighting condition for the measurement area that light is not enough or dim, when having solved measurement area light dim or night measurement, the visual degree is too low and the elevation reading error problem that causes.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a novel tower ruler for measuring the standard height in a vertical foundation pit, which comprises a cantilever type tower ruler base, a cantilever type tower ruler tray and a tower ruler, wherein the cantilever type tower ruler base is of a triangular prism structure and comprises a steel pipe thread fixed end, a lifting rod thread fixed end, a steel pipe and lifting rod connecting rod, a steel pipe, a lifting rod, a lifting control buckle, a steel pipe elevation scale, a steel rod end limiting rod and a pipe end limiting plate, the three lifting rods are respectively arranged at the outer side of the steel pipe, the lifting rod and the lifting rod connecting rod are fixed between every two lifting rods through the steel pipe, the steel pipe thread fixed end is arranged at the top end of the steel pipe, the lifting rod thread fixed end is arranged at the top end of the lifting rod, the steel pipe and the lifting rod are of a telescopic structure, the lifting control buckle is respectively arranged at the telescopic pipe joints of the steel, the pipe end limiting plate is installed in the bottom of steel pipe, and the bottom of rod end gag lever post and lifter is fixed mutually in the outside of pipe end limiting plate, cantilever type sopwith staff tray includes fixed screw of steel pipe, lifter fixing bolt, sopwith staff fixed slot, the fixed buckle of sopwith staff, round bubble magnifying glass bracing piece, round bubble groove, round bubble, rag bolt, horizontal support bar, illumination bulb, power socket, the fixed screw of steel pipe is located the bottom surface middle part of cantilever type sopwith staff tray, and lifter fixing bolt is located the outside of the fixed screw of steel pipe, and the position of the fixed screw of steel pipe and steel pipe is corresponding, and the position of lifter fixing bolt and lifter is corresponding, the sopwith staff fixed slot is seted up on cantilever type sopwith staff tray surface, and the sopwith staff fixed buckle is located the inner wall of sopwith staff fixed slot, the round bubble groove is located one side of sop, The top surface of the cantilever type tower ruler tray, the round bubble magnifier supporting rod is arranged on one side of the round bubble groove, the round bubble magnifier is vertically arranged on the end part of the round bubble magnifier supporting rod, the round bubble magnifier is positioned right above the round bubble groove, the edge end part of the cantilever type tower ruler tray is provided with a horizontal supporting rod, the cantilever type tower ruler tray is fixed on the edge of the top surface of the side slope of the pit groove by penetrating the horizontal supporting rod through a foundation bolt, the tower ruler comprises a ruler top round bubble groove, a ruler body scale, a ruler body, a ruler section telescopic buckle, a ruler body supporting rod, a ruler end slot, a round bubble, a ruler body supporting rod rotating shaft, a ruler body supporting rod tail end fixed sucker, a ruler body supporting rod telescopic buckle, a ruler body supporting rod connecting bolt, a ruler section sliding groove, a tower ruler top cover and a ruler section sliding head, the ruler body scale is vertically arranged on the outer surface of, the top cover of the tower ruler is positioned at the top end of the ruler body, the circular bubble slot at the top of the ruler is positioned at the center of the top cover of the tower ruler, the circular bubble is positioned in the top circular bubble groove of the ruler, the two end parts of the ruler body are connected with the ruler body supporting rod through the ruler body supporting rod rotating shaft, the ruler body supporting rod is of a loop bar type structure, the telescopic buckle of the ruler body supporting rod is positioned in the middle of the ruler body supporting rod, the electromagnet chuck fixed at the tail end of the ruler body supporting rod is connected with the ruler body supporting rod through a ruler body supporting rod connecting bolt, the top surface of the tray of the sopwith staff is provided with a lighting bulb facing the body of the sopwith staff, a power socket of the lighting bulb is positioned on the bottom surface of the tray of the sopwith staff, the sliding groove of the staff section is positioned on the outer surface of the body of the sopwith staff, the ruler section sliding groove is symmetrical to the ruler body scale, the top end of the ruler body supporting rod is connected with the ruler section sliding groove in a sliding mode through the ruler body supporting rod rotating shaft, the bottom end of the ruler body supporting rod is fixed on the top surface of the pit groove side slope through an electromagnet chuck fixed at the tail end of the ruler body supporting rod.

As an optimal technical scheme of the utility model, the bottom surface of pipe end limiting plate contacts with the measuring surface in the hole groove, the hole wall face of lifter and hole groove bottom flank is parallel to each other.

Compared with the prior art, the beneficial effects of the utility model are as follows:

(1) under the condition that the traditional tower ruler cannot measure the bottom surface position of the pit and the level gauge is not modified, the novel tower ruler can be matched with the level gauge to effectively complete the height measurement work in the pit of the foundation pit;

(2) when the vicinity of a measuring position point is not beneficial to a ruler holding person to stand due to the reasons of narrowness, smoothness and inclination, the swinging and incomplete standing state of the tower ruler can cause the generation of measuring errors, and the tower ruler base can fix a tower ruler body and a tower ruler tray on a suspended surface through a tray support rod base with foundation bolts; the height adjusting rod and the adjusting wheel at the bottom of the tower ruler base can adjust the horizontal state of the surface of the tower ruler tray, and the tower ruler tray is provided with round bubbles to check the vertical state of the tower ruler, so that the inconvenience of manual ruler holding and the caused measuring error are avoided;

(3) set up the illumination bulb towards the body of the sopwith staff on the sopwith staff tray, can provide sufficient lighting condition for the measurement area that light is not enough or dim, when having solved measurement area light dim or night measurement, the visual degree is too low and the elevation reading error problem that causes.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is an elevational view of a cantilevered tape tower base assembly;

FIG. 2 is a plan view of the cantilevered tape tower base assembly;

FIG. 3 is an elevational view of the cantilevered tape tower tray assembly;

FIG. 4 is a top plan view of the cantilevered tape tower tray assembly;

FIG. 5 is a bottom plan view of the cantilevered tape tray assembly;

FIG. 6 is an elevational view of the body of the tape;

FIG. 7 is a plan view of the body of the tape;

FIG. 8 is an overall elevation view of the tape measure system during pit measurement;

FIG. 9 is a side view of the full body of the tape measure system during pit measurement;

in the figure: 1. a cantilever-type tower ruler base; 11. fixing the thread of the steel pipe; 12. a threaded fixed end of the lifting rod; 13. the steel pipe is connected with the lifting rod; 14. a steel pipe; 15. a lifting rod; 16. a lifting control buckle; 17. Steel pipe elevation scales; 18. a rod end limiting rod; 19. a pipe end limiting plate; 2. the top surface of the pit groove side slope; 3. a cantilever type tower ruler tray; 31. fixing screw holes on the steel pipe; 32. a lifter fixing bolt; 33. a sliding staff fixing groove; 34. the sliding staff is fixed with a buckle; 35. a round bubble magnifier; 36. a round bubble magnifier support bar; 37. a round bubble tank; 38. a circular bubble a; 39. anchor bolts; 310. a horizontal support bar; 311. an illumination bulb; 312. a power outlet; 4. a tower ruler; 41. a ruler top round bubble groove; 42. scale body scales; 43. a ruler body; 44. a ruler section telescopic buckle; 45. a ruler body supporting rod; 46. a ruler end slot; 47. a circular bubble b; 48. A ruler body supporting rod rotating shaft; 49. the electromagnet sucker is fixed at the tail end of the ruler body supporting rod; 410. the ruler body supporting rod is provided with a telescopic buckle; 411. the ruler body supporting rod is connected with a bolt; 414. a rule section chute; 415. a top cover of the tower ruler; 416. A rule joint sliding head; 5. the bottom of the pit; 6. the wall surface of the pit.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example 1

As shown in fig. 1-9, the utility model provides a measure high novel sopwith staff in vertical foundation ditch pit, including cantilever type sopwith staff base 1, cantilever type sopwith staff tray 3 and sopwith staff 4, cantilever type sopwith staff base 1 is the triangular prism structure, cantilever type sopwith staff base 1 includes steel pipe screw thread stiff end 11, lifter screw thread stiff end 12, steel pipe and lifter connecting rod 13, steel pipe 14, lifter 15, lift control buckle 16, steel pipe elevation scale 17, rod end gag lever post 18 and pipe end limiting plate 19, three lifters 15 are installed respectively in the outside of steel pipe 14, it is fixed with lifter connecting rod 13 through the steel pipe between two liang of lifters 15, steel pipe screw thread stiff end 11 sets up in the top of steel pipe 14, lifter screw thread stiff end 12 is located the top of lifter 15, steel pipe 14 and lifter 15 are telescopic tube structure, lift control buckle 16 is located steel pipe 14 respectively, The telescopic joint pipe of the lifting rod 15, the steel pipe elevation scale 17 is positioned on the outer surface of the steel pipe 14, the pipe end limiting plate 19 is installed at the bottom end of the steel pipe 14, the outer side of the pipe end limiting plate 19 is fixed with the bottom end of the lifting rod 15 through the rod end limiting rod 18, the cantilever type tower ruler tray 3 comprises a steel pipe fixing screw hole 31, a lifting rod fixing bolt 32, a tower ruler fixing groove 33, a tower ruler fixing buckle 34, a circular bubble magnifier 35, a circular bubble magnifier supporting rod 36, a circular bubble groove 37, a circular bubble a38, an anchor bolt 39, a horizontal supporting rod 310, a lighting bulb 311 and a power socket 312, the steel pipe fixing screw hole 31 is positioned in the middle of the bottom surface of the cantilever type tower ruler tray 3, the lifting rod fixing bolt 32 is positioned on the outer side of the steel pipe fixing screw hole 31, the position of the steel pipe fixing screw hole 31 corresponds to the position of the, the sopwith staff fixing groove 33 is arranged on the surface of the cantilever type sopwith staff tray 3, the sopwith staff fixing buckle 34 is arranged on the inner wall of the sopwith staff fixing groove 33, the round bubble groove 37 is arranged on one side of the sopwith staff fixing groove 33 and the top surface of the cantilever type sopwith staff tray 3, the round bubble magnifier supporting rod 36 is arranged on one side of the round bubble groove 37, the round bubble magnifier 35 is vertically arranged on the end of the round bubble magnifier supporting rod 36, the round bubble magnifier 35 is arranged right above the round bubble groove 37, the horizontal supporting rod 310 is arranged on the edge end of the cantilever type sopwith staff tray 3, the cantilever type sopwith staff tray 3 is fixed on the edge of the groove slope top surface 2 by penetrating the horizontal supporting rod 310 through the anchor bolt 39, the lighting bulb 311 is arranged on the upper surface of the cantilever type sopwith staff tray 3, the number of the horizontal supporting rods 310 is 2, the bottom surface of the cantilever type sopwith staff tray 3, and the light bulb 311 is electrically connected with the power socket 312, the tower ruler 4 comprises a ruler top round bubble groove 41, a ruler body scale 42, a ruler body 43, a ruler joint telescopic buckle 44, a ruler body support rod 45, a ruler end slot 46, a round bubble b47, a ruler body support rod rotating shaft 48, a ruler body support rod tail end fixed electromagnet suction cup 49, a ruler body support rod telescopic buckle 410, a ruler body support rod connecting bolt 411, a ruler joint sliding groove 414, a tower ruler top cover 415 and a ruler joint sliding head 416, the ruler body support rod tail end fixed electromagnet suction cup 49 is a vacuum type suction cup or an electromagnet type suction cup, the ruler body scale 42 is vertically arranged on the outer surface of the ruler body 43, the tower top cover 415 is positioned at the top end of the ruler body 43, the ruler top round bubble groove 41 is positioned at the center of the tower top cover 415, the round bubble b47 is positioned in the ruler top round bubble groove 41, the two end parts of the ruler body 43 are connected with the ruler body support rod, the ruler body supporting rod 45 is of a loop bar type structure, the ruler body supporting rod telescopic buckle 410 is located in the middle of the ruler body supporting rod 45, the electromagnet sucker 49 fixed to the tail end of the ruler body supporting rod is connected with the ruler body supporting rod 45 through the ruler body supporting rod connecting bolt 411, the lighting bulb 311 facing the tower ruler body is arranged on the top surface of the tower ruler tray 3, the power socket 312 of the lighting bulb 311 is located on the bottom surface of the tower ruler tray 3, the ruler section sliding groove 414 is located on the outer side surface of the ruler body 43, the ruler section sliding groove 414 is symmetrical to the ruler body scale 42, the top end of the ruler body supporting rod 45 is connected with the ruler section sliding groove 414 in a sliding mode through the ruler body supporting rod rotating shaft 48, and the bottom end of the ruler body supporting rod 45 is fixed with the pit groove side slope top surface.

The bottom surface of the pipe end limiting plate 19 is contacted with the measuring surface in the pit bottom 5, and the lifting rod 15 is parallel to the pit wall surface 6 on the side surface of the pit bottom 5.

Specifically, the measurement method of the sliding staff is as follows:

s1, firstly, fixing three horizontal support rods 310 on a cantilever type sopwith staff tray 3 at the edge of the top of a pit groove by using foundation bolts 39, so that a main body of the cantilever type sopwith tray 3 is firmly fixed on a suspended surface outside the edge of the top of the pit groove; secondly, screwing the steel pipe thread fixing end 11 and the lifting rod thread fixing end 12 at the top of the cantilever type tower ruler base 1 into the steel pipe fixing screw hole 31 and the lifting rod fixing bolt 32 at the bottom of the cantilever type tower ruler tray 3 respectively, so that the cantilever type tower ruler base 1 and the cantilever type tower ruler tray 3 are connected into a whole;

s2, adjusting the included angle between the horizontal support rod 310 and the cantilever-type tower ruler tray 3 to enable the cantilever-type tower ruler tray 3 to be horizontal, respectively adopting circular bubbles a38 on the top surface of the tower ruler tray 3 to check the horizontal state of the cantilever-type tower ruler tray 3, then inserting the assembled tower ruler 4 into the tower ruler fixing groove 33, enabling the tower ruler fixing buckle 34 to clamp the ruler end slot 46, and enabling the tower ruler 4 to be firmly fixed on the cantilever-type tower ruler tray 3;

s3, firstly, checking the vertical state of the ruler body 43 by using the circular bubble b47 on the top cover 415 of the sliding staff; secondly, connecting a fixed electromagnet sucker 49 at the tail end of the ruler body supporting rod to the tail end of the ruler body supporting rod 45 by using a ruler body supporting rod connecting bolt 411; then the ruler body supporting rod 45 is rotated through the ruler body supporting rod rotating shaft 48, the length of the ruler body supporting rod 45 is adjusted through the ruler body supporting rod telescopic buckle 410, and the electromagnet sucker 49 fixed at the tail end of the ruler body supporting rod is in contact with the stable point at the top surface of the pit groove slope; the tail end of the ruler body supporting rod 45 is connected with the top surface of the pit groove slope, and the ruler body supporting rod 45 can ensure the stability of the tower ruler body 43 in the measuring process;

s4, controlling the steel pipe 14 and the lifting rod 15 to stretch by the lifting control buckle 16, enabling the pipe end limiting plate 19 to be in contact with the pit bottom 5 to be measured, enabling the lifting rod 15 and the steel pipe 14 to be supported by the pipe end limiting plate 19 and the rod end limiting rod 18 and not to generate inclined displacement, reading a steel pipe elevation scale 17 value at the position of the pipe end limiting plate 19, and recording the steel pipe elevation scale 17 value as a steel pipe reading;

s5, firstly, erecting a level at an observation point, and adjusting the length of a ruler body 43 through a ruler section telescopic buckle 44 to enable the ruler body to be within a visual range of the sight height of the level; then, the leveling instrument is rotated to enable the lens of the leveling instrument to be aligned with the body scale 42 of the sliding staff, the height scale value is read, and when measurement is carried out at night or light is insufficient, the illuminating lamp 311 arranged on the sliding staff tray 3 can be turned on for illumination;

s6, measuring points can be measured according to a formula: the height of a measuring point, namely the height of an observation point, the height of an erecting instrument of the level gauge, a read height scale value, the thickness of the cantilever type tower ruler tray 3, the thickness of the pipe end limiting plate 19, the vertical distance between the bottom surface of the steel pipe and the lifting rod connecting rod 13 and the bottom surface of the cantilever type tower ruler tray 3, and the reading of the steel pipe, wherein the height of the erecting instrument of the level gauge, the thickness of the cantilever type tower ruler tray 3, the thickness of the pipe end limiting plate 19, and the vertical distance between the bottom surface of the steel pipe and the lifting rod connecting rod 13 and the bottom surface of the cantilever type tower ruler tray 3;

the cantilever type tower ruler base 1 is used for fixing a tower ruler tray on the surface of a soil body and enabling the tray to be in a cantilever state; a steel pipe thread fixing end 11, and a steel pipe 14 is fixed on the base; a lifting rod thread fixing end 12, and a lifting rod 15 is fixed on the base; the steel pipe and the lifting rod connecting rod 13 enable the steel pipe to be always vertical to the bottom surface of the base and not to incline, and enable the steel pipe 14 and the lifting rod 15 to extend or shorten cooperatively; the steel pipe elevation scales 17 are used for measuring the height difference between the suspended surface of the base and the bottom of the foundation pit; the lifting control buckle 16 controls the extension or shortening of the steel pipe 14 and the lifting rod 15; the rod end limiting rod 18 and the pipe end limiting plate 19 are used for preventing the lifting rod and the steel pipe from generating oblique displacement on one hand and supporting the lifting rod and the steel pipe on the bottom surface of the foundation pit on the other hand;

a cantilever type tower ruler tray 3 for fixing and erecting the tower ruler; the sliding staff fixing groove 33 and the sliding staff fixing buckle 34 are convenient to insert and fix the sliding staff 4; the round bubble a38 is used for checking the horizontal state of the top surface of the tray of the tower ruler; the foundation bolts 39 and the horizontal support rods 310 fix the cantilever type tower ruler tray at the suspended position of the top edge of the pit slot;

the ruler section telescopic buckle 44 is used for adjusting the length of the body of the sliding staff; the ruler body supporting rod 45 avoids the phenomena of inclination, shaking and bending of the ruler body of the sliding staff; the tail end of the ruler body supporting rod is fixed with an electromagnet chuck 49, and the ruler body supporting rod is fixed on the surface of nonmetal or metal; the telescopic buckle 410 of the ruler body supporting rod adjusts the length of the tower ruler supporting rod; the ruler body supporting rod connecting bolt 411 is connected with the ruler body supporting rod and a fixed electromagnet sucker 49 at the tail end of the ruler body supporting rod; a blade sliding groove 414 and a blade sliding head 416 for extending and shortening the blade 43;

(1) when the elevation of a point to be measured is lower than the sight of a lens of the level by more than 5m, particularly when the point to be measured is positioned on the bottom surface of a pit, a special cantilever type base 1 is adopted to fix a tower-staff system on a suspension surface right above the measuring point, the height difference between the suspension surface and the bottom surface 5 of the pit is measured through a steel pipe 14 and a lifting rod 15 of a cantilever type tower-staff tray, and meanwhile, the elevation scale 42 on the tower-staff can be observed through the sight of the lens of the level, so that the elevation of the sight of the lens and the suspension surface of the tower-staff system is read, and the elevation of the measuring point on the bottom surface 5 of;

(2) the special tower ruler base adopts the tray support rod 310 with the foundation bolt 39 to fix the tower ruler tray 3 on the suspended surface at the inner side of the pit groove slope top, and the tower ruler 4 can be firmly fixed by the ruler embedding groove 21 on the tower ruler tray 3 and the tower ruler fixing buckle 22 in the groove; the surface of the tray of the sliding staff can be in a horizontal state through the height adjusting rod 114 and the adjusting wheel 115 at the bottom of the base of the sliding staff, and the tray 3 is checked to be in the horizontal state by the round bubble a38 on the tray of the sliding staff, so that the inconvenience of manually holding the sliding staff and the caused measuring error are avoided;

(3) be provided with the lighting bulb 311 towards the sopwith staff chi blade 4 on sopwith staff tray 3, be provided with power socket 312 in the bottom of sopwith staff tray 3, this jack and sopwith staff tray 3's built-in lithium cell intercommunication to the assurance can provide sufficient lighting conditions for the measuring area that light is not enough or dim, thereby has avoided elevation reading error.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A novel tower ruler for measuring the standard height of a vertical foundation pit comprises a cantilever type tower ruler base (1), a cantilever type tower ruler tray (3) and a tower ruler (4), and is characterized in that the cantilever type tower ruler base (1) is of a triangular prism structure, the cantilever type tower ruler base (1) comprises a steel pipe thread fixed end (11), a lifting rod thread fixed end (12), a steel pipe and lifting rod connecting rod (13), a steel pipe (14), lifting rods (15), a lifting control buckle (16), a steel pipe elevation scale (17), a rod end limiting rod (18) and a pipe end limiting plate (19), the three lifting rods (15) are respectively installed on the outer side of the steel pipe (14), the two lifting rods (15) are fixed with the lifting rod connecting rod (13) through the steel pipe, the steel pipe thread fixed end (11) is arranged at the top end of the steel pipe (14), the lifting rod thread (12) is positioned at the top end of the lifting rod (15), steel pipe (14) and lifter (15) are flexible bushing type structure, lift control buckle (16) are located the telescopic joint pipe department of steel pipe (14), lifter (15) respectively, steel pipe elevation scale (17) are located the surface of steel pipe (14), install in the bottom of steel pipe (14) pipe end limiting plate (19), and the bottom of rod end gag lever post (18) and lifter (15) is passed through in the outside of pipe end limiting plate (19) is fixed mutually, cantilever type sopwith staff tray (3) include steel pipe fixed screw (31), lifter fixing bolt (32), sopwith staff fixed slot (33), sopwith staff fixed buckle (34), round bubble magnifying glass (35), round bubble magnifying glass bracing piece (36), round bubble groove (37), round bubble a (38), rag bolt (39), horizontal support pole (310), illumination bulb (311), A power socket (312), the steel tube fixing screw hole (31) is positioned in the middle of the bottom surface of the cantilever type tower ruler tray (3), the lifting rod fixing bolt (32) is positioned at the outer side of the steel tube fixing screw hole (31), the position of the steel tube fixing screw hole (31) is corresponding to that of the steel tube (14), the position of the lifting rod fixing bolt (32) is corresponding to that of the lifting rod (15), the tower ruler fixing groove (33) is arranged on the surface of the cantilever type tower ruler tray (3), the tower ruler fixing buckle (34) is positioned on the inner wall of the tower ruler fixing groove (33), the circular bubble groove (37) is positioned at one side of the tower ruler fixing groove (33) and the top surface of the cantilever type tower ruler tray (3), the circular bubble supporting rod (36) is installed at one side of the circular bubble groove (37), the circular bubble magnifier (35) is vertically installed at the end of the circular bubble magnifier supporting rod (36), and the circular bubble magnifier (35) is positioned right above the circular bubble groove (37), the cantilever type tower ruler tray (3) is characterized in that a horizontal support rod (310) is arranged at the edge end part of the cantilever type tower ruler tray (3), the cantilever type tower ruler tray (3) penetrates through the horizontal support rod (310) through a foundation bolt (39) and is fixed at the edge of the pit groove side slope top surface (2), the tower ruler (4) comprises a ruler top round bubble groove (41), ruler body scales (42), a ruler body (43), a ruler section telescopic buckle (44), a ruler body support rod (45), a ruler end inserting groove (46), a round bubble b (47), a ruler body support rod rotating shaft (48), a ruler body support rod tail end fixed electromagnet sucking disc (49), a ruler body support rod telescopic buckle (410), a ruler body support rod connecting bolt (411), a ruler section sliding groove (414), a tower ruler top cover (415) and a ruler section sliding head (416), the ruler body scales (42) are vertically arranged on the outer surface of the ruler body (43), and the tower top cover (415) is positioned at the top end of the ruler, the top circle bubble groove (41) is located at the center of the top cover (415) of the tower ruler, the circle bubble b (47) is located in the top circle bubble groove (41), two ends of the ruler body (43) are connected with the ruler body supporting rod (45) through a ruler body supporting rod rotating shaft (48), the ruler body supporting rod (45) is of a loop bar type structure, a ruler body supporting rod telescopic buckle (410) is located in the middle of the ruler body supporting rod (45), the tail end of the ruler body supporting rod is fixedly provided with an electromagnet sucker (49) which is connected with the ruler body supporting rod (45) through a ruler body supporting rod connecting bolt (411), the top surface of the tower ruler tray (3) is provided with an illuminating bulb (311) facing the tower ruler body, a power socket (312) of the illuminating bulb (311) is located on the bottom surface of the tower ruler tray (3), the ruler section sliding groove (414) is located on the outer side surface of the ruler body (43), and the ruler section sliding groove (414) is symmetrical to the ruler body scale (42), the top end of the ruler body supporting rod (45) is connected with the ruler section sliding groove (414) in a sliding mode through a ruler body supporting rod rotating shaft (48), and the bottom end of the ruler body supporting rod (45) is fixed with the pit groove side slope top surface (2) through a ruler body supporting rod tail end fixing electromagnet sucker (49).

2. The novel tower ruler for measuring the standard height in the vertical foundation pit is characterized in that the bottom surface of the pipe end limiting plate (19) is in contact with the measuring surface in the pit bottom (5), and the lifting rod (15) is parallel to the pit wall surface (6) on the side surface of the pit bottom (5).