CN112113070B

CN112113070B - Level gauge for building supervision

Info

Publication number: CN112113070B
Application number: CN202010853047.8A
Authority: CN
Inventors: 胡军庆
Original assignee: Anhui Tongfang Engineering Consulting Co ltd
Current assignee: Anhui Tongfang Engineering Consulting Co ltd
Priority date: 2020-08-22
Filing date: 2020-08-22
Publication date: 2022-02-08
Anticipated expiration: 2040-08-22
Also published as: CN112113070A

Abstract

The application relates to a level for building supervision, which comprises a support and a level body arranged on the support, wherein the support comprises a fixed seat and supporting legs; a vertically arranged lead screw is rotatably arranged on the lower end surface of the fixed seat and positioned at the center of the fixed seat; the screw rod is provided with a supporting component; the supporting component comprises an adjusting part in threaded connection with the screw rod, a fixed sleeve arranged on the supporting leg and a supporting rod with two ends respectively hinged with the adjusting part and the fixed sleeve; the lower end of the screw rod is provided with a reinforcing component; the reinforcing assembly comprises a fixing block fixed in the circumferential direction of the screw rod and close to the bottom of the screw rod, an installation sleeve which is in threaded connection with the screw rod and is positioned below the adjusting part, and a fixing cylinder which is rotatably arranged on the lower end face of the installation sleeve; the fixed cylinder is sleeved outside the screw rod, the inner wall of the fixed cylinder is provided with a positioning groove, and the positioning groove is arranged along the height direction of the fixed cylinder; the fixed block is in sliding fit with the positioning groove; the fixed seat is provided with a driving component for driving the screw rod to rotate. This application has the effect that improves support stability.

Description

Level gauge for building supervision

Technical Field

The application relates to the field of supervision detecting instruments, in particular to a building supervision level gauge.

Background

The level is an instrument for establishing a horizontal sight line to measure the height difference between two points on the ground. The detection principle is to measure the height difference between ground points according to the leveling principle. The spirit level mainly includes a base of connection on the support, through the body of a vertical axle rotatable coupling on the base, this internal telescope that is set up by objective, eyepiece, constitutes to optical lens and reticle lamp, still is equipped with corresponding levelling structure on the body to adjust the sighting axis of telescope to horizontality when the measurement.

At present, chinese patent with publication number CN209026452U discloses a level, which comprises a support and a level body installed on a tripod, wherein the support comprises three support legs, one ends of the support legs, which are far away from the level body, are provided with plug holes, the plug holes are formed in the length direction of the support legs, plug pieces are inserted in the plug holes, two ends of the plug pieces are sharp, and locking mechanisms matched with each other are further arranged on the plug pieces and the support legs.

With respect to the related art in the above, the inventors consider that the support is easily unstable when the level is used on the ground.

Disclosure of Invention

In order to improve the support stability of support, this application provides a level for building supervision.

The application provides a level for building supervision adopts following technical scheme:

a level for building supervision comprises a support and a level body arranged on the support, wherein the support comprises a fixed seat and a supporting leg hinged to one side of the fixed seat; a plurality of supporting legs are uniformly arranged along the peripheral side of the fixed seat; a vertically arranged lead screw is rotatably arranged on the lower end face of the fixed seat and positioned in the center of the fixed seat; the lead screw is provided with a supporting component; the supporting component comprises an adjusting part in threaded connection with the screw rod, a fixed sleeve arranged on the supporting leg and a supporting rod with two ends respectively hinged with the adjusting part and the fixed sleeve; the lower end of the screw rod is provided with a reinforcing component; the reinforcing assembly comprises a fixing block fixed in the circumferential direction of the screw rod and close to the bottom of the screw rod, an installation sleeve which is in threaded connection with the screw rod and is positioned below the adjusting part, and a fixing cylinder which is rotatably arranged on the lower end face of the installation sleeve; the fixed cylinder is sleeved outside the screw rod, the inner wall of the fixed cylinder is provided with a positioning groove, and the positioning groove is arranged along the height direction of the fixed cylinder; the fixed block is in sliding fit with the positioning groove; and the fixed seat is provided with a driving assembly for driving the screw rod to rotate.

Through adopting above-mentioned technical scheme, rotate through drive assembly drive lead screw, because the one end and the landing leg of branch are articulated, restrict regulation portion for threaded connection moves down along the direction of height of lead screw in the regulation portion on the lead screw, and regulation portion drives branch and removes, makes branch strut the landing leg, supports the spirit level body. When the lead screw rotates, because a fixed cylinder and a fixed block are in sliding fit, the mounting sleeve in threaded connection on the lead screw moves downwards along the height direction of the lead screw, the fixed cylinder is driven to stretch out downwards, and the fixed cylinder is inserted into the ground and can better support the level body. After the lead screw rotates, the supporting rod can be driven to enable the supporting legs to be unfolded, the fixing cylinder can be enabled to extend downwards to be inserted into the ground, the supporting rod and the fixing cylinder are combined for use, and the supporting stability of the support is greatly improved.

Preferably, a base is arranged on the lower end face of the level body; a plurality of clamping grooves are formed in the periphery of the base; the upper end of the fixed seat is provided with a fixed component for fixing the level body; the fixing component comprises a fixing ring arranged on the upper end surface of the fixing seat, a positioning ring arranged on the upper end surface of the fixing seat and positioned outside the fixing ring, and a regulating ring rotatably arranged on the upper end surface of the fixing seat; the base is in inserting fit with the fixing ring; the section of the positioning ring is T-shaped; the lower end surface of the adjusting ring is provided with an annular groove which is in splicing fit with the positioning ring; the positioning ring is sleeved with a torsion spring, and two ends of the torsion spring are respectively fixed with the outer side wall of the positioning ring and the inner side wall of the adjusting ring; the upper end surface of the adjusting ring is provided with a wedge-shaped groove; a plurality of wedge-shaped grooves are arranged along the peripheral side of the adjusting ring, and the groove walls of the wedge-shaped grooves penetrate through the inner side wall of the adjusting ring; the fixing ring is provided with a plurality of jacks corresponding to the wedge-shaped grooves; a wedge-shaped block is arranged in the wedge-shaped groove in a sliding mode, and one end of the wedge-shaped block penetrates through the insertion hole and is in clamping fit with the clamping groove; a fixing piece is fixed on the upper end surface of the wedge-shaped block; and a first spring is connected between the fixed plate and the outer side wall of the fixed ring.

Through adopting above-mentioned technical scheme, through setting up the installation component, can realize conveniently carrying the surveyor's level body to the quick installation and the dismantlement of surveyor's level body. When the installation, at first the adjustable ring of wrench movement, the solid fixed ring's cell wall is kept away from in the wedge groove and be located the wedge groove and the solid fixed ring position of keeping away from solid fixed ring's tip with the wedge and align, under the effect of first spring, the tip that the wedge is close to solid fixed ring breaks away from draw-in groove and jack along the extending direction of first spring in proper order, and the tip that solid fixed ring was kept away from to the wedge is kept away from with the groove wall laminating that solid fixed ring was kept away from to the wedge groove. Peg graft the base of spirit level body in the fixed ring again, make the lateral wall of base and the laminating of the inside wall of solid fixed ring, loosen the wrench movement to the regulating ring, the torsional spring resumes initial state, solid fixed ring's cell wall is kept away from in the wedge groove and is located the wedge groove and keep away from solid fixed ring's tip laminating with the wedge apart from nearest position, rotate the spirit level body again, make draw-in groove and jack one-to-one, under the elasticity of first spring, make the tip of wedge pass the jack and insert and connect in the draw-in groove, from this with base and solid fixed ring fixed connection. When the spirit level body is disassembled from the fixing seat, the adjusting ring is twisted, the groove wall of the fixing ring is far away from the wedge groove, the position, farthest away from the wedge groove and the fixing ring, of the wedge groove is aligned with the end portion, far away from the fixing ring, of the wedge block, under the action of the first spring, the wedge block is sequentially separated from the clamping groove and the insertion hole along the extending direction of the first spring, the end portion, far away from the fixing ring, of the wedge block is abutted to the groove wall of the wedge groove, the base and the fixing ring can move relatively, and therefore the spirit level body can be disassembled. This setting can realize the quick installation and the dismantlement of spirit level body, conveniently carries the spirit level.

Preferably, the lower end surface of the fixed seat is provided with a fixed groove; the upper end of the screw rod is rotatably arranged at the groove top of the fixed groove; the driving assembly comprises a first bevel gear and a rotating rod, the first bevel gear is arranged on the screw rod and is positioned in the fixed groove, and the rotating rod is rotatably arranged on the fixed seat and is horizontally arranged; one end of the rotating rod penetrates through the groove wall of the fixing groove and is fixed with a second bevel gear, and the other end of the rotating rod penetrates through the side wall of the fixing seat and is fixed with a handle; the second bevel gear is meshed with the first bevel gear.

Through adopting above-mentioned technical scheme, through rotating the handle for second bevel gear on the bull stick drives and rotates rather than the first bevel gear of meshing, thereby drives the lead screw and rotates, and drive assembly sets up on the fixing base, makes operating personnel be convenient for operate and adjust the support, and is more laborsaving convenient.

Preferably, a positioning assembly for limiting the rotation of the rotating rod is arranged on the outer side wall of the fixed seat; the positioning assembly comprises a positioning gear arranged on the rotating rod, a first fixing plate arranged on the outer side wall of the fixing seat and a second fixing plate arranged on the outer side wall of the fixing seat and spaced from the first fixing plate; the positioning gear is positioned between the side wall of the fixed seat and the handle; a strip-shaped hole is formed in the second fixing plate, and the length direction of the strip-shaped hole is consistent with that of the rotating rod; the first fixing plate is inserted with an inserting rod, the inserting rod is in sliding fit with the first fixing plate, and a twisting block is fixed at the upper end of the inserting rod; a second spring is sleeved on the inserted rod and positioned between the torsion block and the first fixing plate; the inserted bar is provided with a strip-shaped block which is in inserted connection with the strip-shaped hole; the strip-shaped block is abutted against the lower end face of the second fixing plate, and the length direction of the strip-shaped block is perpendicular to that of the strip-shaped hole; the lower end of the inserted bar is inserted in the tooth groove of the positioning gear.

Through adopting above-mentioned technical scheme, set up locating component, after the support is adjusted, can effectively reduce bull stick pivoted possibility for the lead screw is difficult for rotating, and the structure of support is more stable. When need not rotate the lead screw, the piece is turned round in the rotation, make the length direction in strip-shaped piece unanimous with the length direction in strip hole, press back the piece again, the strip-shaped piece passes the strip hole and is located the lower terminal surface of second fixed plate, the piece is turned round in the rotation, make the length direction in strip-shaped piece and the length direction mutually perpendicular in strip hole, loosen pressing back the piece of turning round, the up end of strip-shaped piece supports tightly with the lower terminal surface of second fixed plate, the lower extreme distance bull stick of inserted bar is nearest this moment, and the lower extreme of inserted bar is pegged graft in the tooth's of positioning gear inslot, restriction positioning gear's rotation, thereby effectively reduce bull stick pivoted possibility, make the lead screw be difficult for rotating, improve the support stability of support. When the support is adjusted to needs, turn round the piece through rotating for the length direction in length direction and the bar hole of bar piece is unanimous, under the effect of second spring, makes the bar piece pass the bar hole and be located between first fixed plate and the second fixed plate, thereby makes the lower extreme of inserted bar break away from the joint cooperation with the positioning gear tooth's socket, thereby makes the bull stick can rotate.

Preferably, the supporting leg comprises a first fixing rod and a second fixing rod, wherein one end of the first fixing rod is hinged with the fixing seat, and the second fixing rod is connected with the first fixing rod; the upper end face of the first fixing rod is provided with a placing groove, the placing groove is arranged along the length direction of the first fixing rod, and one end, far away from the fixing seat, of the placing groove penetrates through the end part of the first fixing rod; the second fixed rod is inserted in the placing groove and connected with the first fixed rod through the connecting assembly.

Through adopting above-mentioned technical scheme, with first dead lever and the cooperation of pegging graft of second dead lever, can be convenient for adjust the length of landing leg, conveniently highly adjust the support for the application scope of surveyor's level is more extensive.

Preferably, a sliding groove is formed in the groove bottom of the placing groove, and two ends of the sliding groove respectively penetrate through two sides of the first fixing rod; the second fixed rod is provided with a guide hole along the length direction; positioning holes communicated with the inside of the guide hole are formed in the two sides of the guide hole; a plurality of positioning holes are arranged at intervals along the length direction of the guide hole; the connecting assembly comprises an adjusting block arranged in the sliding groove in a sliding manner and a positioning rod arranged on the adjusting block; the positioning rod is in inserted fit with the positioning hole; two adjusting blocks are symmetrically arranged on the center line of the first fixing rod in the width direction, and a third spring is connected between the opposite end parts of the two adjusting blocks; and one ends of the two adjusting blocks far away from each other penetrate through two sides of the first fixing rod.

Through adopting above-mentioned technical scheme, set up coupling assembling, can conveniently loosen the fixed connection of first dead lever and second dead lever for first dead lever and second dead lever can relative movement, thereby can conveniently adjust the length of landing leg, in order to be applicable to different operating modes. When the regulation, through pressing the regulating block of first dead lever both sides simultaneously, make two regulating blocks to the direction removal that is close to the guiding hole, the locating lever breaks away from the joint with the locating hole, thereby make first dead lever and second dead lever can relative movement, after adjusting the relative position of first dead lever and second dead lever again, loosen the pressing to the regulating block, under the effect of third spring, make two regulating blocks keep away from each other, two locating levers are pegged graft in the locating hole, thereby restrict the relative movement of first dead lever and second dead lever, the length of adjusting the landing leg. This setting can be adjusted the length of landing leg fast, and the connection of first dead lever and second dead lever is stable.

Preferably, a reinforcing rod is hinged to the position, close to the lower end, of the second fixing rod; the lower end of the reinforcing rod is movably arranged, and the reinforcing rod is positioned on one side, close to the screw rod, of the second fixing rod; and the second fixing rod is provided with an elastic clamp for clamping the reinforcing rod.

Through adopting above-mentioned technical scheme, set up the gusset rod, can strengthen the support effect to the support, further improved the stability of support. During the use, at first pull the anchor strut to the one side of keeping away from the second dead lever for the anchor strut breaks away from the fixed of elasticity clamp, and second dead lever and anchor strut form chevron shape structure, are favorable to improving the stability of second dead lever when supporting. When the support needs to be folded and stored, the reinforcing rod is pulled to one side close to the second fixing rod and is pressed, so that the reinforcing rod is fixed by the elastic clamp, and one side of the reinforcing rod is tightly abutted to one side of the second fixing rod.

Preferably, one end of the positioning rod, which is far away from the adjusting block, is fixed with a positioning sheet; the locating piece is attached to one side, away from the bottom of the placing groove, of the second fixing rod.

Through adopting above-mentioned technical scheme, set up the spacer, can strengthen the connection of first dead lever and second dead lever for first dead lever is difficult to take place to break away from with the second dead lever.

Preferably, the adjusting part comprises a threaded sleeve in threaded connection with the lead screw and a movable sleeve in rotary connection with the lower end of the threaded sleeve; the end part of the supporting rod is hinged with the side wall of the movable sleeve.

Through adopting above-mentioned technical scheme, set the screw thread bush and the movable sleeve that the regulating part rotated each other and is connected to rotate, when the lead screw rotated the drive screw thread bush and moved along the length direction of lead screw, because branch and movable sleeve are connected, the relative rotation took place for the movable sleeve is difficult for taking place to twist reverse, thereby is favorable to reducing the torsion of branch, has improved overall structure's reliable and stable nature.

In summary, the present application includes at least one of the following beneficial technical effects:

after the screw rod rotates, the supporting rod can be driven to prop open the supporting leg, the fixing cylinder can extend downwards to be inserted on the ground, and the supporting rod and the fixing cylinder are combined for use, so that the supporting stability of the bracket is greatly improved;

by arranging the mounting assembly, the leveling instrument body can be quickly mounted and dismounted, and the leveling instrument body is convenient to carry;

set up locating component, after the support is adjusted, can effectively reduce bull stick pivoted possibility for the lead screw is difficult for rotating, and the structure of support is more stable.

Drawings

Fig. 1 is a schematic structural diagram of the whole of the embodiment of the present application.

FIG. 2 is a schematic structural view of the level body mount of an embodiment of the present application.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a schematic structural diagram of a leg according to an embodiment of the present application.

FIG. 5 is a schematic structural view of a reinforcement assembly according to an embodiment of the present application.

Fig. 6 is an enlarged schematic view of a portion B in fig. 1.

Description of reference numerals: 1. a level body; 11. a base; 111. a card slot; 2. a support; 21. a fixed seat; 211. fixing grooves; 22. a support leg; 221. a first fixing lever; 222. a second fixing bar; 223. a placement groove; 224. a chute; 225. a guide hole; 226. positioning holes; 227. a reinforcing rod; 228. an elastic clip; 3. a fixing assembly; 31. a fixing ring; 311. a jack; 32. a positioning ring; 33. an adjusting ring; 331. an annular groove; 332. a wedge-shaped groove; 333. an end cap; 34. a wedge block; 35. a fixing sheet; 36. a first spring; 37. a torsion spring; 4. a connecting assembly; 41. an adjusting block; 42. positioning a rod; 43. a third spring; 44. positioning plates; 5. a lead screw; 6. a support assembly; 61. an adjustment section; 611. a threaded sleeve; 612. a movable sleeve; 62. fixing a sleeve; 63. a strut; 7. a reinforcement assembly; 71. a fixed block; 72. installing a sleeve; 73. a fixed cylinder; 731. positioning a groove; 8. a drive assembly; 81. a first bevel gear; 82. a second bevel gear; 83. a rotating rod; 84. a handle; 9. a positioning assembly; 91. positioning a gear; 92. a first fixing plate; 93. a second fixing plate; 931. a strip-shaped hole; 94. inserting a rod; 95. twisting the block; 96. a bar-shaped block; 97. a second spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses level for building supervision. Referring to fig. 1, a level for building supervision comprises a level body 1 and a bracket 2, wherein the level body 1 is detachably mounted on the bracket 2.

Referring to fig. 1, a base 11 is fixed to a lower end surface of a level body 1, the base 11 is disc-shaped, and four engaging grooves 111 are formed around the base 11. Four card slots 111 are evenly arranged along the peripheral side of the base 11. The support 2 comprises a holder 21 and a leg 22. The fixing base 21 is disc-shaped, and a fixing groove 211 (see fig. 2) is formed in a lower end surface of the fixing base 21 and located at the center of the fixing base 21. The upper end of landing leg 22 articulates in one side of fixing base 21, and landing leg 22 has evenly arranged three along the week side of fixing base 21, and the stability when evenly arranging landing leg 22 can improve support 2 and support.

Referring to fig. 2 and 3, a fixing unit 3 is attached to an upper end surface of the fixing base 21 to facilitate attachment and detachment of the level body 1. The fixing assembly 3 comprises a fixing ring 31, a positioning ring 32 and an adjusting ring 33. The fixing ring 31 is fixed on the upper end face of the fixing seat 21, and the base 11 is in plug fit with the fixing ring 31. Four insertion holes 311 are formed in the fixing ring 31, and the four insertion holes 311 are arranged in one-to-one correspondence with the four slots 111. The positioning ring 32 is fixed on the upper end surface of the fixed base 21, and the positioning ring 32 is located outside the fixed ring 31. The retaining ring 32 is T-shaped in cross-section. The adjusting ring 33 is rotatably disposed on the end surface of the fixing base 21, an annular groove 331 is formed on the lower end surface of the adjusting ring 33, and the positioning ring 32 is in sliding fit with the annular groove 331. The T-shaped positioning ring 32 improves the stability of the connection of the adjustment ring 33 to the positioning ring 32 such that the adjustment ring 33 is not easily disengaged. The upper end surface of the adjusting ring 33 is provided with a wedge-shaped groove 332, and the wedge-shaped groove 332 is obliquely arranged away from the side wall of the fixed ring 31. The wedge-shaped grooves 332 are uniformly arranged in four along the peripheral side of the adjusting ring 33, and the groove wall of the wedge-shaped groove 332 close to the fixed ring 31 penetrates through the inner side wall of the adjusting ring 33. The four wedge grooves 332 correspond to the four insertion holes 311 one by one. The wedge-shaped slot 332 is internally provided with a wedge block 34 in a sliding manner, and one end of the wedge block 34 passes through the insertion hole 311 and is in clamping fit with the clamping slot 111. The side of the wedge block 34 away from the fixed ring 31 is formed with a slope surface which is attached to the groove wall of the wedge groove 332 away from the fixed ring 31. The end face of the wedge block 34 far away from the fixed seat 21 is fixed with a fixed sheet 35, and a first spring 36 is fixedly connected between the fixed sheet 35 and the outer side wall of the fixed ring 31. The outer side of the positioning ring 32 is sleeved with a torsion spring 37, and two ends of the torsion spring 37 are respectively fixed with the outer side wall of the positioning ring 32 and the inner side wall of the adjusting ring 33. In order to facilitate the twisting of the adjusting ring 33, the outer side wall of the adjusting ring 33 is provided with anti-slip threads. An end cover 333 is fixed on the side of the adjusting ring 33 away from the fixed seat 21, which is beneficial to improving the stability of the installation of the wedge block 34. When the initial state, base 11 pegs graft in solid fixed ring 31, the lateral wall of base 11 and the laminating of the inside wall of solid fixed ring 31, torsion spring 37 do not receive the atress, the terminal surface that solid fixed ring 31 was kept away from to wedge 34 and the cell wall that solid fixed ring 31 was kept away from to wedge 332 and be located the laminating of the position that wedge 332 is nearest apart from solid fixed ring 31, first spring 36 receives the pressure, the other end of wedge 34 passes jack 311 and plug in draw-in groove 111. When the adjusting ring 33 is twisted, the wedge-shaped groove 332 is far away from the groove wall of the fixed ring 31 and is aligned with the inclined surface of the wedge-shaped block 34 at the position where the wedge-shaped groove 332 is farthest from the fixed ring 31, and the wedge-shaped block 34 is sequentially separated from the clamping groove 111 and the insertion hole 311 along the extending direction of the first spring 36 under the action of the first spring 36, so that the base 11 is detachable from the fixed ring 31.

Referring to fig. 4, the leg 22 includes a first fixing bar 221 and a second fixing bar 222. One end of the first fixing rod 221 is hinged to one side of the fixing base 21, and the other end of the first fixing rod 221 is movably disposed. A placing groove 223 is formed on the upper end surface of the first fixing rod 221, and the cross section of the placing groove 223 is dovetail-shaped. The placement groove 223 is disposed along the length direction of the first fixing rod 221, and one end of the placement groove 223 far away from the fixing base 21 penetrates through the end of the first fixing rod 221. The sliding groove 224 is formed at the bottom of the placing groove 223, and two ends of the sliding groove 224 respectively penetrate through two sides of the first fixing rod 221 in the width direction. The second fixing bar 222 is inserted into the placing groove 223. The second fixing rod 222 is provided with a guide hole 225 along the length direction, and the guide hole 225 is located at the center of the second fixing rod 222 in the width direction. Both sides of guiding hole 225 all set up with guiding hole 225 in the locating hole 226 of intercommunication, locating hole 226 is provided with a plurality ofly along the length direction interval of guiding hole 225. The position of the second fixing rod 222 near the lower end is hinged with a reinforcing rod 227, the lower end of the reinforcing rod 227 is movably arranged, and the reinforcing rod 227 is positioned on one side of the second fixing rod 222 near the axis of the fixing base 21. An elastic clamp 228 is fixed on the second fixing rod 222 for clamping the reinforcing rod 227, so that the reinforcing rod 227 is attached to the second fixing rod 222.

Referring to fig. 4, the first fixing lever 221 and the second fixing lever 222 are fixedly connected by the connection assembly 4. The connecting assembly 4 includes an adjusting block 41 and a positioning rod 42. The adjusting blocks 41 are slidably disposed in the sliding grooves 224, and two adjusting blocks 41 are symmetrically disposed about a center line of the first fixing rod 221 in the width direction. The third spring 43 is fixedly connected between the opposite end portions of the two adjusting blocks 41, one end portions of the two adjusting blocks 41 far away from each other penetrate through two sides of the first fixing rod 221 along the length direction of the sliding groove 224, and the end portions of the two adjusting blocks 41 far away from each other extend out of the first fixing rod 221. The positioning rod 42 is fixed to the adjustment block 41, and the positioning rod 42 extends in a direction away from the bottom of the placement groove 223. The positioning rod 42 is inserted into and matched with the positioning hole 226. A positioning piece 44 is fixed at one end of the positioning rod 42 far away from the adjusting block 41, and the positioning piece 44 is attached to one side of the second fixing rod 222 far away from the bottom of the placing groove 223.

Referring to fig. 5, a screw 5 is rotatably disposed at the center of the top of the fixing groove 211, and the screw 5 vertically extends downward. As shown in fig. 1, a support assembly 6 is mounted on the screw 5 for supporting the legs 22. The support assembly 6 includes an adjustment portion 61, a retaining sleeve 62 and a strut 63. The adjustment portion 61 includes a threaded sleeve 611 and a movable sleeve 612. The threaded sleeve 611 is sleeved on the lead screw 5 and is in threaded connection with the lead screw 5. The movable sleeve 612 is sleeved on the lead screw 5 and is rotatably connected with the lower end of the threaded sleeve 611. The fixing sleeve 62 is sleeved on the supporting leg 22, and the fixing sleeve 62 is fixedly connected with the supporting leg 22 through a bolt. The two ends of the supporting rod 63 are respectively hinged with one side of the fixed sleeve 62 and one side of the movable sleeve 612.

Referring to fig. 5, a reinforcing member 7 is attached to a lower end of the screw 5 in order to reinforce the support stability of the bracket 2. The reinforcing component 7 comprises a fixing block 71, a mounting sleeve 72 and a fixing barrel 73. The fixed block 71 is fixed on the periphery of the screw rod, and the fixed block 71 is close to the bottom of the screw rod. The fixed blocks 71 are provided symmetrically with respect to the axis of the lead screw 5 in two. The mounting sleeve 72 is screwed onto the lead screw 5, and the mounting sleeve 72 is located below the adjustment portion 61. The fixing cylinder 73 is sleeved outside the screw rod, and the fixing cylinder 73 is rotatably arranged on the lower end face of the mounting sleeve 72. The lower end surface of the fixed cylinder 73 is tapered, so that the fixed cylinder can be conveniently inserted into the soil. The inner wall of the fixed cylinder 73 is provided with a positioning groove 731, the positioning groove 731 is arranged along the height direction of the fixed cylinder 73, and the fixed block 71 is in sliding fit with the positioning groove 731. When the screw 5 rotates, due to the matching of the positioning block and the positioning groove 731, the fixed cylinder 73 cannot rotate, and the mounting sleeve 72 in threaded connection with the screw 5 drives the fixed cylinder 73 to move along the length direction of the screw 5.

Referring to fig. 2, in order to facilitate the rotation of the driving screw 5, a driving assembly 8 is mounted on the fixed base 21. The drive assembly 8 comprises a first bevel gear 81, a second bevel gear 82 and a rotary lever 83. The first bevel gear 81 and the second bevel gear 82 are both located in the fixing groove 211. The first bevel gear 81 and the second bevel gear 82 mesh with each other. The first bevel gear 81 is fixed to the lead screw 5. The rotating rod 83 is horizontally disposed, one end of the rotating rod 83 penetrates through a groove wall of the fixing groove 211 and is fixed with the second bevel gear 82, and the other end of the rotating rod 83 penetrates through a side wall of the fixing seat 21 and is fixed with the handle 84. The rotating rod 83 is rotatably engaged with the fixed seat 21.

Referring to fig. 6, when the adjustment bracket 2 (see fig. 1) is not required, in order to reduce the possibility of the rotation lever 83, a positioning assembly 9 is installed on the outer side wall of the fixed seat 21. The positioning assembly 9 includes a positioning gear 91, a first fixing plate 92, a second fixing plate 93, and an insert rod 94. The positioning gear 91 is fixed on the rotating rod 83, and the positioning gear 91 is located between the outer side wall of the fixed seat 21 and the handle 84. First fixed plate 92 and second fixed plate 93 are all fixed in on the lateral wall of fixing base 21, and first fixed plate 92 and second fixed plate 93 set up along fixing base 21's direction of height interval. The second fixing plate 93 is provided with a strip-shaped hole 931, and the length direction of the strip-shaped hole 931 is consistent with the length direction of the rotating rod 83. The insertion rod 94 is vertically arranged, the upper end of the insertion rod 94 passes through the first fixing plate 92 and is fixed with a torsion block 95, and the insertion rod 94 is in sliding fit with the first fixing plate 92. A second spring 97 is sleeved on the insertion rod 94 at a position between the torsion block 95 and the first fixing plate 92. The lower end of the insert rod 94 passes through the strip-shaped hole 931 and is in inserted fit with the tooth grooves of the positioning gear 91. A strip-shaped block 96 is fixed on the insertion rod 94, and the strip-shaped block 96 is in inserted fit with the strip-shaped hole 931. When the upper end surface of the bar-shaped block 96 abuts against the lower end surface of the second fixing plate 93 and the length direction of the bar-shaped block 96 is perpendicular to the length direction of the bar-shaped hole 931, the second spring 97 is compressed and the lower end of the insertion rod 94 is inserted into the tooth groove of the positioning gear 91.

The implementation principle of the level gauge for building supervision in the embodiment of the application is as follows: when the bracket 2 needs to be adjusted, the torsion block 95 is rotated to make the length direction of the bar-shaped block 96 consistent with the length direction of the bar-shaped hole 931, and under the action of the second spring 97, the lower end of the inserted link 94 is separated from the tooth slot of the positioning gear 91, and the bar-shaped block 96 passes through the bar-shaped hole 931 to move towards the direction close to the first fixing plate 92. The handle 84 is rotated, so that the second bevel gear 82 drives the first bevel gear 81 to rotate, thereby driving the lead screw 5 to rotate. All move down with lead screw 5 threaded connection's regulating part 61 and installation cover 72, regulating part 61 drives rather than articulated branch 63 tip for branch 63 struts landing leg 22, and installation cover 72 drives solid fixed cylinder 73 and moves down and insert subaerial, thereby can open support 2 and support spirit level body 1.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a level for building supervision, includes support (2) and locates level body (1) on support (2), its characterized in that: the support (2) comprises a fixed seat (21) and a supporting leg (22) hinged to one side of the fixed seat (21); a plurality of supporting legs (22) are uniformly arranged along the peripheral side of the fixed seat (21); a vertically arranged lead screw (5) is rotatably arranged on the lower end face of the fixed seat (21) and is positioned at the center of the fixed seat (21); the lead screw (5) is provided with a support component (6); the supporting assembly (6) comprises an adjusting part (61) in threaded connection with the lead screw (5), a fixed sleeve (62) arranged on the supporting leg (22) and a supporting rod (63) with two ends hinged with the adjusting part (61) and the fixed sleeve (62) respectively; the lower end of the screw rod (5) is provided with a reinforcing component (7); the reinforcing assembly (7) comprises a fixing block (71) fixed on the circumferential direction of the screw rod and close to the bottom of the screw rod, an installation sleeve (72) which is in threaded connection with the screw rod (5) and is positioned below the adjusting part (61), and a fixing cylinder (73) rotatably arranged on the lower end face of the installation sleeve (72); the fixed cylinder (73) is sleeved outside the screw rod, a positioning groove (731) is formed in the inner wall of the fixed cylinder (73), and the positioning groove (731) is formed in the height direction of the fixed cylinder (73); the fixed block (71) is in sliding fit with the positioning groove (731); the fixed seat (21) is provided with a driving component (8) for driving the screw rod to rotate;

a base (11) is arranged on the lower end face of the level body (1); a plurality of clamping grooves (111) are formed in the periphery of the base (11); the upper end of the fixed seat (21) is provided with a fixed component (3) for fixing the level body (1); the fixing component (3) comprises a fixing ring (31) arranged on the upper end surface of the fixing seat (21), a positioning ring (32) arranged on the upper end surface of the fixing seat (21) and positioned outside the fixing ring (31), and a regulating ring (33) rotatably arranged on the upper end surface of the fixing seat (21); the base (11) is in plug fit with the fixing ring (31); the cross section of the positioning ring (32) is T-shaped; the lower end surface of the adjusting ring (33) is provided with an annular groove (331) which is in splicing fit with the positioning ring (32); the positioning ring (32) is sleeved with a torsion spring (37), and two ends of the torsion spring (37) are respectively fixed with the outer side wall of the positioning ring (32) and the inner side wall of the adjusting ring (33); a wedge-shaped groove (332) is formed in the upper end face of the adjusting ring (33); a plurality of wedge-shaped grooves (332) are arranged along the peripheral side of the adjusting ring (33), and the groove walls of the wedge-shaped grooves (332) penetrate through the inner side wall of the adjusting ring (33); a plurality of insertion holes (311) which are arranged corresponding to the wedge-shaped grooves (332) are formed in the fixing ring (31); a wedge block (34) is arranged in the wedge groove (332) in a sliding mode, and one end of the wedge block (34) penetrates through the insertion hole (311) and is in clamping fit with the clamping groove (111); a fixing piece (35) is fixed on the upper end surface of the wedge block (34); and a first spring (36) is connected between the fixing piece (35) and the outer side wall of the fixing ring (31).

2. A level for building supervision as claimed in claim 1, characterised in that: the lower end surface of the fixed seat (21) is provided with a fixed groove (211); the upper end of the lead screw (5) is rotatably arranged at the groove top of the fixing groove (211); the driving assembly (8) comprises a first bevel gear (81) arranged on the screw rod (5) and positioned in the fixing groove (211) and a rotating rod (83) which is rotatably arranged on the fixing seat (21) and horizontally arranged; one end of the rotating rod (83) penetrates through the groove wall of the fixing groove (211) and is fixed with a second bevel gear (82), and the other end of the rotating rod (83) penetrates through the side wall of the fixing seat (21) and is fixed with a handle (84); the second bevel gear (82) is meshed with the first bevel gear (81).

3. A level for building supervision as claimed in claim 2, in which: the outer side wall of the fixed seat (21) is provided with a positioning component (9) for limiting the rotation of the rotating rod (83); the positioning assembly (9) comprises a positioning gear (91) arranged on the rotating rod (83), a first fixing plate (92) arranged on the outer side wall of the fixing seat (21) and a second fixing plate (93) arranged on the outer side wall of the fixing seat (21) and spaced from the first fixing plate (92); the positioning gear (91) is positioned between the side wall of the fixed seat (21) and the handle (84); a strip-shaped hole (931) is formed in the second fixing plate (93), and the length direction of the strip-shaped hole (931) is consistent with the length direction of the rotating rod (83); an insert rod (94) is inserted into the first fixing plate (92), the insert rod (94) is in sliding fit with the first fixing plate (92), and a torsion block (95) is fixed at the upper end of the insert rod (94); a second spring (97) is sleeved on the inserted rod (94) and positioned between the torsion block (95) and the first fixing plate (92); the inserted bar (94) is provided with a strip-shaped block (96) which is in inserted connection and matching with the strip-shaped hole (931); the strip-shaped block (96) is abutted against the lower end face of the second fixing plate (93), and the length direction of the strip-shaped block (96) is vertical to the length direction of the strip-shaped hole (931); the lower end of the inserted rod (94) is inserted into the tooth groove of the positioning gear (91).

4. A level for building supervision as claimed in claim 1, characterised in that: the supporting leg (22) comprises a first fixing rod (221) and a second fixing rod (222), one end of the first fixing rod is hinged with the fixing seat (21), and the second fixing rod is connected with the first fixing rod (221); a placing groove (223) is formed in the upper end face of the first fixing rod (221), the placing groove (223) is arranged along the length direction of the first fixing rod (221), and one end, far away from the fixing seat (21), of the placing groove (223) penetrates through the end portion of the first fixing rod (221); the second fixing rod (222) is inserted into the placing groove (223) and connected with the first fixing rod (221) through the connecting component (4).

5. A level for building supervision as claimed in claim 4, in which: a sliding groove (224) is formed in the bottom of the placing groove (223), and two ends of the sliding groove (224) penetrate through two sides of the first fixing rod (221) respectively; the second fixing rod (222) is provided with a guide hole (225) along the length direction; positioning holes (226) communicated with the inside of the guide hole (225) are formed in the two sides of the guide hole (225); a plurality of positioning holes (226) are arranged at intervals along the length direction of the guide hole (225); the connecting assembly (4) comprises an adjusting block (41) arranged in the sliding groove (224) in a sliding manner and a positioning rod (42) arranged on the adjusting block (41); the positioning rod (42) is in inserted fit with the positioning hole (226); two adjusting blocks (41) are symmetrically arranged on the center line of the first fixing rod (221) in the width direction, and a third spring (43) is connected between the opposite end parts of the two adjusting blocks (41); one ends of the two adjusting blocks (41) far away from each other penetrate through two sides of the first fixing rod (221).

6. A level for building supervision as claimed in claim 4, in which: a reinforcing rod (227) is hinged to the position, close to the lower end, of the second fixing rod (222); the lower end of the reinforcing rod (227) is movably arranged, and the reinforcing rod (227) is positioned on one side, close to the screw rod (5), of the second fixing rod (222); the second fixing rod (222) is provided with an elastic clamp (228) for clamping the reinforcing rod (227).

7. A level for building supervision as claimed in claim 5, in which: a positioning sheet (44) is fixed at one end of the positioning rod (42) far away from the adjusting block (41); the positioning piece (44) is attached to one side, away from the bottom of the placing groove (223), of the second fixing rod (222).

8. A level for building supervision as claimed in claim 1, characterised in that: the adjusting part (61) comprises a threaded sleeve (611) in threaded connection with the lead screw (5) and a movable sleeve (612) in rotary connection with the lower end of the threaded sleeve (611); the end of the supporting rod (63) is hinged with the side wall of the movable sleeve (612).