CN209041878U

CN209041878U - A kind of steel construction surveying instrument supporting frame

Info

Publication number: CN209041878U
Application number: CN201820681961.7U
Authority: CN
Inventors: 舒文
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-05-09
Filing date: 2018-05-09
Publication date: 2019-06-28
Anticipated expiration: 2028-05-09

Abstract

The utility model discloses a kind of steel construction surveying instrument supporting frames.It is equipped with by the first clamping block, mounting base, the first support base, the first connecting column, the second clamping block, the second connecting column with the second support base, the angular position between entirety that can be constituted to first support bar, second support bar and pedestal is adjusted, it is equipped with by moveable hinge joint chair, the first connection sheet, the second connection sheet with the second bolt, the angle between entirety that can be constituted to first support bar and the first connecting column, the first support base and mounting base is changed, and plays the role of the height and position for changing turntable.The angular position between entirety that the utility model can be constituted first support bar, second support bar and pedestal is adjusted, suitable for some more complex working environments, it is also convenient for that the height and position for the surveying instrument that need to be installed and angle position is adjusted, it is easy to use suitable for the surveying instrument of different size specification.

Description

A kind of steel construction surveying instrument supporting frame

Technical field

The utility model relates to mapping equipment technical field, specific field is a kind of steel construction surveying instrument supporting frame.

Background technique

The stages such as planning and designing, construction and management are frequently necessary to surveying instrument and carry out mapping operations in engineering construction, To measure required various orientations, ranging, angle measurement, survey height, mapping and photography etc..In existing Process of Engineering Construction often Surveying instrument can generally use tripod and be supported, and three fixing leg parts of existing tripod are generally set with center The mounting base set is to be wholely set, and the angle position between three fixing legs cannot be adjusted, and is using peace sometimes When dress, due to the limitation of working environment, the fixing leg that three angle positions are not adjustable, which can not be stablized, is placed on working environment Ground on, using can be more inconvenient.

Utility model content

The purpose of this utility model is to provide a kind of steel construction surveying instrument supporting frames, to solve to propose in above-mentioned background technique The problem of.

To achieve the above object, the utility model provides the following technical solutions: a kind of steel construction surveying instrument supporting frame, including peace Seat is filled, the lateral wall top of the mounting base is equipped with support plate, it is socketed with shaft at the upper end center of the mounting base, described turn The upper end of axis is fixedly connected with turntable, and the upper surface middle part of the turntable is equipped with sliding slot, the upper table of the turntable along the longitudinal direction The first fixed plate, spiral shell at the center of first fixed plate are symmetrically fixedly installed on face before and after position corresponding with the sliding slot Line is connected with the first screw rod, the inside of the sliding slot and is slidably connected between two first fixed plates sliding there are two first Movable plate, first sliding panel are clamped with one end of neighbouring first screw rod respectively, on the upper surface of the turntable and The left and right sides of the sliding slot is symmetrically fixedly installed with the second fixed plate, and is threaded at the center of second fixed plate Two screw rods are symmetrically arranged with guide rod in second fixed plate and in the front and rear sides of second screw rod, the turntable it is upper Set in parallel on surface and between two second fixed plates there are two the second sliding panel, second sliding panel respectively with neighbour One end of close second screw rod is clamped, and second sliding panel connects with the threaded one end of the neighbouring guide rod respectively It connects, front and rear sides are symmetrically arranged with protrusion on the periphery wall of the turntable, and the first screw, the branch are equipped on the protrusion Hemispherical protuberances are uniformly provided on the upper surface of support plate and in the downside corresponding position of the turntable；

The top of the first connecting column, the lower end of first connecting column are threaded at the lower end inner hole of the mounting base It is fixedly connected with the first support base, the upper surface central part of first support base is equipped with the first clamping groove, first clamping It is fixedly connected at the bottom center of slot with the lower end surface of first connecting column, screw thread in the lower end inner hole of first support base It is connected with the top of the second connecting column, the lower end of second connecting column is fixedly connected with the second support base, second support Seat upper surface central part be equipped with the second clamping groove, the bottom center of second clamping groove place and second connecting column under End face is fixedly connected；

The inside of first clamping groove and in the clamping of the outside of first connecting column there are three the first clamping block, it is described The upper end of first clamping block extends into the space between the lower end inner hole of the mounting base and the lateral wall of first connecting column In, first clamping block is equipped with connecting rod far from one end of first connecting column, and the connecting rod connects far from described first The one end for connecing column is rotatably connected to the upper end of first support bar, and the lower end of the first support bar is equipped with plug division, the grafting The first adjustment hole is uniformly provided in portion along the vertical direction, is socketed with second support bar on the outside of the plug division, described second On strut through be equipped with the first bolt, the plug division by any one of first adjustment hole of first bolt-through with The neighbouring second support bar is fixedly connected, and the lower end of the second support bar is hinged with pedestal, uniform spiral shell on the pedestal Line is connected with third screw rod, and the lower end of the third screw rod is equipped with sharp portion, and the first support bar is close to second support The side of seat is equipped with clamping portion, and the inside of the clamping portion is connected with moveable hinge joint chair, is hinged on the moveable hinge joint chair First connection sheet, is uniformly provided with the second adjustment hole in first connection sheet, the inside of second clamping groove and described There are three the second clamping blocks for the outside clamping of two connecting columns, and the upper end of second clamping block extends into first support base In space between lower end inner hole and the lateral wall of second connecting column, second clamping block is far from second connecting column One end be equipped with the second connection sheet, the upper surface of second connection sheet is equipped with third clamping groove, the third clamping groove Shape is mutually agreed with first connection sheet, is uniformly provided with third adjustment hole on the bottom surface of the third clamping groove, and described second Connection sheet is fixedly connected with neighbouring first connection sheet by the second bolt.

Preferably, the periphery wall left and right ends of the turntable are symmetrically arranged with turntable handle.

Preferably, air-bubble level is uniformly inlaid on the upper surface of the support plate and in the outside of the turntable.

Preferably, it is uniformly provided with fixed ring on the periphery wall of the support plate, the second screw is equipped in the fixed ring.

Preferably, the lower end surface of the mounting base, second support base upper surface and first support base it is upper The first damping mat, the one end and second card of first clamping block close to first connecting column are equipped in lower both ends of the surface It connects block and is equipped with the second damping mat close to one end of second connecting column.

Preferably, the setting number of second adjustment hole in each first connection sheet is at least 3, each described The setting number of the third adjustment hole in second connection sheet is at least 3.

Compared with prior art, the utility model has the beneficial effects that making the first sliding panel can be with by the setting of sliding slot Stable sliding avoids shifting, and makes the second sliding panel that can avoid shifting with Stable sliding by the setting of guide rod, By being equipped with for the first screw rod, the first sliding panel, the second screw rod and the second sliding panel, surveying instrument can be fixed on turntable It uses, and can be adjusted according to the surveying instrument of different size, in order to install, by the setting of the first screw, turntable can be made Rotation position fix, avoid using when rotate, by the setting of shaft and hemispherical protuberances, turntable and support plate can be made Stabilization is relatively rotated, by being equipped with for the first connecting column, the first support base, the second connecting column and the second support base, It can play a supporting role to mounting base, convenient disassembly passes through the cooperation of connecting rod, first support bar, second support bar and pedestal Setting, the entirety that can be constituted to the first connecting column, the first support base with mounting base are played a supporting role, by being equipped with multiple first The plug division of adjustment hole is equipped with the second support bar equipped with the first bolt, can be to first support bar and second support bar The whole length of composition is adjusted so that the height and position of turntable is adjusted, by the first clamping block, mounting base, The first support base, the first connecting column, the second clamping block, the second connecting column equipped with the first clamping groove be equipped with the second clamping groove Second support base is equipped with, the angular position between entirety that can be constituted to first support bar, second support bar and pedestal It is adjusted, by moveable hinge joint chair, the first connection sheet equipped with the second adjustment hole, equipped with the second connection sheet of third adjustment hole With being equipped with for the second bolt, the entirety that first support bar and the first connecting column, the first support base and mounting base can be constituted Between angle be changed, play the role of change turntable height and position the first company is made by the setting of third clamping groove Contact pin and the second connection sheet can stablize fixation.The utility model can constitute first support bar, second support bar and pedestal whole Angular position between body is adjusted, and suitable for some more complex working environments, is also convenient for the surveying instrument that need to be installed Height and position and angle position are adjusted, easy to use suitable for the surveying instrument of different size specification.

Detailed description of the invention

Fig. 1 is the whole schematic view of the front view of the utility model；

Fig. 2 is the whole overlooking structure diagram of the utility model；

Fig. 3 is the mounting structure schematic diagram of the components such as first clamping block of the utility model；

Fig. 4 is the overlooking structure diagram of the pedestal of the utility model；

Fig. 5 is enlarged drawing at the A of Fig. 1；

Fig. 6 is enlarged drawing at the B of Fig. 1；

Fig. 7 is enlarged drawing at the C of Fig. 1；

Fig. 8 is enlarged drawing at the D of Fig. 1；

Fig. 9 is enlarged drawing at the E of Fig. 2；

Figure 10 is enlarged drawing at the F of Fig. 2.

In figure: 1- mounting base, 2- support plate, 3- shaft, 4- turntable, 5- sliding slot, the first fixed plate of 6-, the first screw rod of 7-, The first sliding panel of 8-, the second fixed plate of 9-, the second screw rod of 10-, 11- guide rod, the second sliding panel of 12-, 13- protrusion, 14- One screw, 15- hemispherical protuberances, the first connecting column of 16-, the first support base of 17-, the first clamping groove of 18-, the second connecting column of 19-, The second support base of 20-, the second clamping groove of 21-, the first clamping block of 22-, 23- connecting rod, 24- first support bar, the plug division 25-, The first adjustment hole of 26-, 27- second support bar, the first bolt of 28-, 29- pedestal, 30- third screw rod, 31- sharp portion, 32- clamping Portion, 33- moveable hinge joint chair, the first connection sheet of 34-, the second adjustment hole of 35-, the second clamping block of 36-, the second connection sheet of 37-, 38- Third clamping groove, 39- third adjustment hole, the second bolt of 40-, 41- turntable handle, 42- air-bubble level, 43- fixed ring, 44- Second screw, the first damping mat of 45-, the second damping mat of 46-.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-10 is please referred to, the utility model provides a kind of technical solution: a kind of steel construction surveying instrument supporting frame, including installation Seat 1, the lateral wall top of the mounting base are equipped with support plate 2, are socketed with shaft 3, shaft at the upper end center of the mounting base It can be rotated in the upper end inner hole of mounting base, the upper end of the shaft is fixedly connected with turntable 4, and turntable rotates together with shaft, The setting of shaft stablizes turntable using mounting base as the rotation of center axis, and the upper surface middle part of the turntable is set along the longitudinal direction There is sliding slot 5, be symmetrically fixedly installed with the first fixed plate 6 before and after position corresponding with the sliding slot on the upper surface of the turntable, It is threaded with the first screw rod 7 at the center of first fixed plate, the inside of the sliding slot and described first fixed at two It is slidably connected between plate there are two the first sliding panel 8, first sliding panel one end with neighbouring first screw rod respectively Clamping, the first screw rod of turn can be such that the first sliding panel slides along sliding slot, and the setting of sliding slot allows the first sliding panel to stablize cunning It is dynamic, it avoids shifting, it is solid to be symmetrically fixedly installed with second on the upper surface of the turntable and in the left and right sides of the sliding slot Fixed board 9, is threaded with the second screw rod 10 at the center of second fixed plate, in second fixed plate and described second The front and rear sides of screw rod are symmetrically arranged with guide rod 11, put down on the upper surface of the turntable and between two second fixed plates Row is set there are two the second sliding panel 12, and second sliding panel is described respectively with the clamping of one end of neighbouring second screw rod Second sliding panel is connect with the threaded one end of the neighbouring guide rod respectively, and the second screw rod of turn can make the second sliding panel sliding Dynamic, the setting of guide rod makes the second sliding panel that can avoid shifting with Stable sliding, the first sliding panel and the second sliding panel It is equipped with, surveying instrument can be fixed on turntable and be used, can be adjusted according to the surveying instrument of different size, in order to pacify It fills, front and rear sides are symmetrically arranged with protrusion 13 on the periphery wall of the turntable, and the first screw 14 is equipped on the protrusion, revolve Dynamic first screw makes the lower end of the first screw resist the upper surface of support plate, and the rotation position of turntable can be made to fix, avoid using When rotate, be uniformly provided with hemispherical protuberances on the upper surface of the support plate and in the downside corresponding position of the turntable 15, the setting of hemispherical protuberances can be such that turntable is relatively rotated with support plate stabilization；

The top of the first connecting column 16 is threaded at the lower end inner hole of the mounting base, under first connecting column End is fixedly connected with the first support base 17, and the upper surface central part of first support base is equipped with the first clamping groove 18, and described the It is fixedly connected at the bottom center of one clamping groove with the lower end surface of first connecting column, the lower end inner hole of first support base In be threaded with the top of the second connecting column 19, the lower end of second connecting column is fixedly connected with the second support base 20, institute The upper surface central part for stating the second support base is equipped with the second clamping groove 21, place, the bottom center of second clamping groove and described the The lower end surface of two connecting columns is fixedly connected, and the cooperation of the first connecting column, the first support base, the second connecting column and the second support base is set It sets, plays a supporting role to mounting base, convenient disassembly；

The inside of first clamping groove and in the clamping of the outside of first connecting column there are three the first clamping block 22, institute The upper end for stating the first clamping block extends into sky between the lower end inner hole of the mounting base and the lateral wall of first connecting column Between in, the first clamping block can in the spatial rotational in the first clamping groove on the outside of the first connecting column with the angle position between adjusting, First clamping block is equipped with connecting rod 23 far from one end of first connecting column, and the connecting rod is far from first connection One end of column is rotatably connected to the upper end of first support bar 24, and the lower end of the first support bar is equipped with plug division 25, described to insert The first adjustment hole 26 is uniformly provided in socket part along the vertical direction, second support bar 27 is socketed on the outside of the plug division, it is described Through the first bolt 28 is equipped in second support bar, the plug division passes through first bolt-through any one of first Adjustment hole is fixedly connected with the neighbouring second support bar, and the lower end of the second support bar is hinged with pedestal 29, the bottom Uniform screw thread is connected with third screw rod 30 on seat, and the lower end of the third screw rod is equipped with sharp portion 31, connecting rod, the first support Bar, second support bar and pedestal are equipped with, and the entirety that can be constituted to the first connecting column, the first support base with mounting base plays Supporting role, the setting of the third screw rod equipped with sharp portion can be inserted into the softer soil of quality to be fixed, be without the use of When, third screw rod can be screwed off, the plug division equipped with multiple first adjustment holes is matched with the second support bar equipped with the first bolt Setting is closed, first support bar and the whole length that second support bar is constituted can be adjusted, so that the height position of turntable It sets and is adjusted, the first support bar is equipped with clamping portion 32 close to the side of second support base, the clamping portion Inside is connected with moveable hinge joint chair 33, and moveable hinge joint chair can be moved along clamping portion, is hinged with first on the moveable hinge joint chair Connection sheet 34, is uniformly provided with the second adjustment hole 35 in first connection sheet, the inside of second clamping groove and described There are three the second clamping blocks 36 for the outside clamping of two connecting columns, and the upper end of second clamping block extends into first support base Lower end inner hole and second connecting column lateral wall between space in, second clamping block far from it is described second connection One end of column is equipped with the second connection sheet 37, and the upper surface of second connection sheet is equipped with third clamping groove 38, the third card The shape of access slot is mutually agreed with first connection sheet, is uniformly provided with third adjustment hole 39 on the bottom surface of the third clamping groove, Second connection sheet is fixedly connected with neighbouring first connection sheet by the second bolt 40, and the second clamping block can be second Spatial rotational in clamping groove on the outside of the second connecting column is equipped with multiple second with the angle position between adjusting, moveable hinge joint chair First connection sheet of adjustment hole, the second connection sheet equipped with multiple third adjustment holes are equipped with the second bolt, can make Two bolts successively penetrate different the second adjustment hole and third adjustment hole, to first support bar and the first connecting column, first The angle between entirety that support seat and mounting base are constituted is changed, and plays the role of the height and position for changing turntable, third card The setting of access slot makes the first connection sheet and the second connection sheet that can stablize fixation.

Specifically, the periphery wall left and right ends of the turntable are symmetrically arranged with turntable handle 41, convenient for removing turntable.

Specifically, being uniformly inlaid with air-bubble level on the upper surface of the support plate and in the outside of the turntable 42, it conveniently checks and confirms whether support plate has kept horizontality.

Specifically, being uniformly provided with fixed ring 43 on the periphery wall of the support plate, second is equipped in the fixed ring Screw 44, fixed ring can be used for being inserted into umbrella, and fix the second screw by umbrella.

Specifically, upper surface and first support base of the lower end surface of the mounting base, second support base It is equipped with the first damping mat 45 in upper and lower end faces, first clamping block is close to one end of first connecting column and described the Two clamping blocks are equipped with the second damping mat 46 close to one end of second connecting column, and the first damping mat and the second damping mat are matched Setting is closed, the first clamping block and the second clamping block can be made to move in the first clamping groove and the second clamping groove more smooth, and make The position of first clamping block and the second clamping block is not easy to change due to slight outer force-disturbance.

Specifically, the setting number of second adjustment hole in each first connection sheet is at least 3, Mei Gesuo The setting number for stating the third adjustment hole in the second connection sheet is at least 3, and manufacture is easy, and controllability is good.

Working principle: shaft can rotate in the upper end inner hole of mounting base, and turntable rotates together with shaft, the setting of shaft Stablize turntable to rotate by center axis of mounting base, the first screw rod of turn can be such that the first sliding panel slides along sliding slot, sliding The setting of slot makes the first sliding panel that can avoid shifting with Stable sliding, and the second screw rod of turn can be such that the second sliding panel slides, The setting of guide rod makes the second sliding panel that can avoid shifting with Stable sliding, and the first sliding panel and the second sliding panel are matched Setting is closed, surveying instrument can be fixed on turntable and be used, can be adjusted according to the surveying instrument of different size, in order to install, The first screw of turn makes the lower end of the first screw resist the upper surface of support plate, and the rotation position of turntable can be made to fix, and avoids making Used time rotates, and the setting of hemispherical protuberances can be such that turntable is relatively rotated with support plate stabilization, the first connecting column, first Support base, the second connecting column and the second support base are equipped with, and are played a supporting role to mounting base, convenient disassembly, first card Connecing block can be in the spatial rotational in the first clamping groove on the outside of the first connecting column with the angle position between adjusting, connecting rod, first Support rod, second support bar and pedestal are equipped with, the entirety that can constitute to the first connecting column, the first support base and mounting base It plays a supporting role, the setting of the third screw rod equipped with sharp portion can be inserted into the softer soil of quality to be fixed, be not required to make Used time can screw off third screw rod, the plug division equipped with multiple first adjustment holes and the second support bar equipped with the first bolt It is equipped with, first support bar and the whole length that second support bar is constituted can be adjusted, so that the height of turntable Position is adjusted, and moveable hinge joint chair can be moved along clamping portion, the second clamping block can in the second clamping groove the second connecting column The spatial rotational in outside with the angle position between adjusting, moveable hinge joint chair, the first connection sheet equipped with multiple second adjustment holes, The second connection sheet equipped with multiple third adjustment holes is equipped with the second bolt, the second bolt can be made successively to penetrate different Second adjustment hole and third adjustment hole, it is whole to be constituted with the first connecting column, the first support base with mounting base to first support bar Angle between body is changed, and plays the role of the height and position for changing turntable, and the setting of third clamping groove makes the first connection Piece and the second connection sheet can stablize fixation；In use, the angle between first support bar is first adjusted according to Specific construction situation, Adjust the angle between first support bar and the first connecting column, the first support base and the entirety of mounting base composition and first Then the whole length that strut and second support bar are constituted is installed surveying instrument so that whole height is appropriate for measuring Onto turntable, turntable is placed on and is adjusted in mounting base to required use angle and fixes disk position, can be made later Work is measured with surveying instrument.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of steel construction surveying instrument supporting frame, including mounting base (1), it is characterised in that: the lateral wall top of the mounting base (1) It equipped with support plate (2), is socketed with shaft (3) at the upper end center of the mounting base (1), the upper end of the shaft (3) is fixed to be connected It is connected to turntable (4), the upper surface middle part of the turntable (4) is equipped with sliding slot (5) along the longitudinal direction, the upper surface of the turntable (4) It is symmetrically fixedly installed with the first fixed plate (6) before and after upper position corresponding with the sliding slot (5), first fixed plate (6) It is threaded at center the first screw rod (7), the inside of the sliding slot (5) and the cunning between two first fixed plates (6) Dynamic connection is there are two the first sliding panel (8), first sliding panel (8) one end with neighbouring first screw rod (7) respectively It is clamped, is symmetrically fixedly installed with the second fixed plate on the upper surface of the turntable (4) and in the left and right sides of the sliding slot (5) (9), it is threaded with the second screw rod (10) at the center of second fixed plate (9), on second fixed plate (9) and in institute The front and rear sides for stating the second screw rod (10) are symmetrically arranged with guide rod (11), on the upper surface of the turntable (4) and described in two Set in parallel between second fixed plate (9) there are two the second sliding panel (12), second sliding panel (12) respectively with neighbouring institute State one end clamping of the second screw rod (10), second sliding panel (12) one end spiral shell with the neighbouring guide rod (11) respectively Line connects, and front and rear sides are symmetrically arranged with protrusion (13) on the periphery wall of the turntable (4), is equipped on the protrusion (13) First screw (14) is uniformly provided with hemisphere on the upper surface of the support plate (2) and in the downside corresponding position of the turntable (4) Shape protrusion (15)；

The top of the first connecting column (16), first connecting column are threaded at the lower end inner hole of the mounting base (1) (16) lower end is fixedly connected with the first support base (17), and the upper surface central part of first support base (17) is equipped with the first card Access slot (18) is fixedly connected at the bottom center of first clamping groove (18) with the lower end surface of first connecting column (16), The top of the second connecting column (19), second connecting column are threaded in the lower end inner hole of first support base (17) (19) lower end is fixedly connected with the second support base (20), and the upper surface central part of second support base (20) is equipped with the second card Access slot (21) is fixedly connected at the bottom center of second clamping groove (21) with the lower end surface of second connecting column (19)；

The inside of first clamping groove (18) and in the clamping of the outside of first connecting column (16) there are three the first clamping block (22), the upper end of first clamping block (22) extends into the lower end inner hole and first connecting column of the mounting base (1) (16) in the space between lateral wall, first clamping block (22) is equipped with far from one end of first connecting column (16) to be connected Extension bar (23), the connecting rod (23) are rotatably connected to first support bar (24) far from one end of first connecting column (16) The lower end of upper end, the first support bar (24) is equipped with plug division (25), uniformly sets along the vertical direction on the plug division (25) Have the first adjustment hole (26), is socketed with second support bar (27) on the outside of the plug division (25), the second support bar (27) Upper to run through equipped with the first bolt (28), the plug division (25) runs through any one of first by first bolt (28) Adjustment hole (26) is fixedly connected with the neighbouring second support bar (27), and the lower end of the second support bar (27) is hinged with bottom Seat (29), uniform screw thread is connected with third screw rod (30) on the pedestal (29), and the lower end of the third screw rod (30) is equipped with point Sharp portion (31), the first support bar (24) is equipped with clamping portion (32) close to the side of second support base (20), described The inside of clamping portion (32) is connected with moveable hinge joint chair (33), is hinged with the first connection sheet on the moveable hinge joint chair (33) (34), be uniformly provided with the second adjustment hole (35) on first connection sheet (34), the inside of second clamping groove (21) and There are three the second clamping block (36), the upper ends of second clamping block (36) to extend for the outside clamping of second connecting column (19) Enter in the space between the lower end inner hole of first support base (17) and the lateral wall of second connecting column (19), described Two clamping blocks (36) are equipped with the second connection sheet (37) far from one end of second connecting column (19), second connection sheet (37) Upper surface be equipped with third clamping groove (38), the shape of the third clamping groove (38) and the first connection sheet (34) phase contract Close, be uniformly provided with third adjustment hole (39) on the bottom surface of the third clamping groove (38), second connection sheet (37) with it is neighbouring First connection sheet (34) be fixedly connected by the second bolt (40).

2. a kind of steel construction surveying instrument supporting frame according to claim 1, it is characterised in that: the periphery wall of the turntable (4) Left and right ends are symmetrically arranged with turntable handle (41).

3. a kind of steel construction surveying instrument supporting frame according to claim 1, it is characterised in that: the upper table of the support plate (2) Air-bubble level (42) are uniformly inlaid on face and in the outside of the turntable (4).

4. a kind of steel construction surveying instrument supporting frame according to claim 1, it is characterised in that: the periphery of the support plate (2) It is uniformly provided on wall fixed ring (43), is equipped with the second screw (44) on the fixed ring (43).

5. a kind of steel construction surveying instrument supporting frame according to claim 1, it is characterised in that: the lower end of the mounting base (1) The first damping is equipped in face, the upper surface of second support base (20) and the upper and lower end faces of first support base (17) It pads (45), first clamping block (22) is close close to one end of first connecting column (16) and second clamping block (36) One end of second connecting column (19) is equipped with the second damping mat (46).

6. a kind of steel construction surveying instrument supporting frame according to claim 1, it is characterised in that: each first connection sheet (34) the setting number of second adjustment hole (35) on is at least 3, and described on each second connection sheet (37) The setting number of three adjustment holes (39) is at least 3.