CN217203517U

CN217203517U - Bridge deck asphalt paving construction elevation steel chisel

Info

Publication number: CN217203517U
Application number: CN202123145395.9U
Authority: CN
Inventors: 杨乐; 范矫捷; 张志强; 李蛟; 岳勇; 贺春生; 李志民; 连晖; 刘燕; 唐金鸣; 王红亮
Original assignee: Inner Mongolia Road And Bridge Group Co ltd
Current assignee: Inner Mongolia Road And Bridge Group Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-08-16
Anticipated expiration: 2031-12-14

Abstract

The utility model discloses a bridge floor pitch paves construction elevation drill rod relates to the road construction field, including the screw-thread drill rod, the top fixed mounting of screw-thread drill rod has the handle, and screw cap and lower nut are installed to the screw thread on the screw-thread drill rod, and the equal fixed mounting in both sides of going up the nut has the spacing axle of elevation, and two spacing epaxial all rotations of elevation have cup jointed fixed knot structure, and one side fixed mounting of lower nut has adjustable dead lever. The utility model discloses a setting of screw-thread drill rod isotructure has guaranteed can be through adjusting the spacing axle position of elevation and then the accuracy of adjusting the hanging wire surveying the in-process hanging wire of bridge, and then has solved the problem of bridge face roughness hard to control, has guaranteed construction stability, utilizes the stability in use of drill rod to guarantee in the setting of adjustable dead lever isotructure simultaneously, and the utility model discloses simple structure, convenient operation to solve the first both sides of bridge phenomenon of jumping a car through the control hanging wire.

Description

Bridge deck asphalt paving construction elevation steel chisel

Technical Field

The utility model relates to a road construction technical field especially relates to bridge floor pitch paves construction elevation drill rod.

Background

The surface of the bridge needs to be surveyed in the construction and the construction of the bridge, the flatness of the surface of the bridge after construction is ensured, and the hanging of a line in the operation is one of important operations.

Among the prior art, traditional bridge floor pitch paving elevation control method is from crashproof wall top surface downward hanging steel bar, returns highly hanging the copper wire and controls the elevation, because of reasons such as artificial and external force, the bridge face roughness is difficult to control, and the car phenomenon of jumping appears easily in bridgehead both sides, consequently needs bridge floor pitch paving construction elevation drill rod to satisfy people's demand.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bridge floor pitch paves construction elevation drill rod to solve the bridge face roughness hard to control that proposes in the above-mentioned background art, and the problem of the phenomenon of jumping appears in bridgehead both sides easily.

In order to achieve the above object, the utility model provides a following technical scheme: the bridge deck asphalt paving construction elevation steel chisel comprises a thread steel chisel, the top of the thread steel chisel is fixedly provided with a handle, an upper nut and a lower nut are arranged on the upper thread of the threaded steel chisel in a threaded manner, elevation limit shafts are fixedly arranged on two sides of the upper nut, fixing structures are rotatably sleeved on the two elevation limit shafts, an adjustable fixed rod is fixedly arranged on one side of the lower screw cap, a supporting structure is fixedly arranged at the bottom of the lower screw cap, the elevation limiting shaft is provided with a limiting hole, when a user uses a steel chisel, the adjustable fixing rod needs to be inserted into the reserved hole of the split bolt of the anti-collision wall template, the installation stability of the lower screw cap is guaranteed, the function of supporting the threaded steel rod is achieved, then the threaded steel rod is driven to spirally slide downwards in the lower screw cap through the rotating handle, and finally the threaded steel rod is tightly attached to the bridge floor to be screwed, so that the effect of supporting and fixing the threaded steel rod at two points is achieved.

Preferably, the fixed knot constructs including the installation pivot, and the both sides of installation pivot are all fixed to be cup jointed arc interlock board, and the installation pivot has guaranteed the rotational stability of arc interlock board, and fixed mounting has the depression bar between two arc interlock boards, and the depression bar is used for fixing the steel wire in spacing downthehole with spacing looks adaptation, depression bar.

Preferably, the fixed cup joint has the torsional spring in the installation pivot, and the torsional spring is used for driving the installation pivot and rotates, and then drives the activity of arc interlock board for the arc interlock board drives the depression bar and fixes the steel wire in spacing downthehole, and the one end fixed mounting of torsional spring is in the installation pivot, and the other end fixed mounting of torsional spring is on the inner wall of the spacing axle of elevation.

Preferably, bearing structure includes flexible ejector pin and flexible vaulting pole, has seted up flexible spout on the flexible ejector pin, and flexible vaulting pole slidable mounting has all seted up spacing spout on the both sides inner wall of flexible spout in flexible spout, and equal slidable mounting has spacing slider in two spacing spouts, and spacing spout is used for guaranteeing spacing slider's sliding stability, and two equal fixed mounting of spacing slider are on flexible vaulting pole.

Preferably, fixed mounting has same spacing slide bar on the both sides inner wall of spacing spout, and spacing slider slides and cup joints on spacing slide bar, and spacing slide bar is used for guaranteeing spacing slider's installation stability, and the last slip of spacing slide bar has cup jointed expanding spring, and expanding spring is used for promoting spacing slider and resets, guarantees the support stability of telescopic stay, and expanding spring's one end contacts with the inner wall of spacing spout, and expanding spring's the other end contacts with spacing slider.

The utility model has the advantages that:

the utility model discloses in, through the setting of screw-thread drill rod isotructure, guaranteed can be through adjusting the spacing position of axis of elevation and then the accuracy of adjusting the hanging wire at the in-process hanging wire of surveying the bridge, and then solved bridge face roughness uncontrollable problem, guaranteed construction stability, utilize the stability in use of drill rod to have guaranteed in the setting of adjustable dead lever isotructure simultaneously.

The utility model discloses in, through bearing structure's setting, guaranteed that the drill rod can not take place crooked because of ground reason when fixing and surveying, ensured the stability of hanging wire.

The utility model discloses well simple structure, convenient operation to solve the bridgehead both sides phenomenon of jumping through the control hanging wire.

Drawings

FIG. 1 is a schematic view of the structure of the elevation drill steel for asphalt paving construction of bridge deck according to the present invention;

FIG. 2 is a schematic view of the connection structure of the bridge deck asphalt paving construction elevation drill steel supporting structure provided by the utility model;

FIG. 3 is a schematic view of the connection structure of the bridge deck asphalt paving construction elevation drill steel positioning structure provided by the utility model;

FIG. 4 is a schematic cross-sectional structural view of the positioning structure of the elevation drill steel for asphalt paving construction of bridge deck provided by the present invention;

fig. 5 is the utility model provides a bridge floor pitch paves construction elevation drill rod bearing structure's schematic sectional structure view.

In the figure: 1. thread steel chisel; 2. a handle; 3. a lower nut; 4. the fixing rod can be adjusted; 5. screwing a nut; 6. an elevation limit shaft; 7. installing a rotating shaft; 8. an arc-shaped linkage plate; 9. a limiting hole; 10. a pressure lever; 11. a torsion spring; 12. a telescopic ejector rod; 13. a telescopic stay bar; 14. a telescopic chute; 15. a limiting chute; 16. a limiting slide block; 17. a limiting slide bar; 18. a telescoping spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, a bridge deck asphalt paving construction elevation drill steel comprises a threaded drill steel 1, a handle 2 is fixedly installed at the top of the threaded drill steel 1, an upper nut 5 and a lower nut 3 are installed on the threaded drill steel 1 in a threaded manner, elevation limit shafts 6 are fixedly installed on both sides of the upper nut 5, fixed structures are rotatably sleeved on the two elevation limit shafts 6, an adjustable fixing rod 4 is fixedly installed on one side of the lower nut 3, a supporting structure is fixedly installed at the bottom of the lower nut 3, and limit holes 9 are formed in the elevation limit shafts 6, when a user uses the drill steel, the adjustable fixing rod 4 needs to be inserted into a reserved hole of an anti-collision wall template split bolt, the installation stability of the lower nut 3 is ensured, the function of supporting the threaded drill steel 1 is achieved, then the threaded drill steel 1 is driven to spirally slide downwards in the lower nut 3 by rotating the handle 2, and finally the bridge deck is tightly screwed, play the role of supporting and fixing the threaded steel chisel 1 at two points.

In the utility model, referring to fig. 3-4, the fixing structure comprises an installation shaft 7, an arc-shaped linkage plate 8 is fixedly sleeved on both sides of the installation shaft 7, the installation shaft 7 ensures the rotational stability of the arc-shaped linkage plate 8, a pressure rod 10 is fixedly installed between the two arc-shaped linkage plates 8, the pressure rod 10 is matched with the spacing hole 9, and the pressure rod 10 is used for fixing the steel wire in the spacing hole 9.

In the present invention, referring to fig. 3-4, the installation shaft 7 is fixedly sleeved with a torsion spring 11, the torsion spring 11 is used to drive the installation shaft 7 to rotate, and further drive the arc-shaped linkage plate 8 to move, so that the arc-shaped linkage plate 8 drives the compression bar 10 to fix the steel wire in the spacing hole 9, one end of the torsion spring 11 is fixedly installed on the installation shaft 7, and the other end of the torsion spring 11 is fixedly installed on the inner wall of the elevation spacing shaft 6.

The utility model discloses with reference to fig. 5, bearing structure includes flexible ejector pin 12 and flexible vaulting pole 13, has seted up flexible spout 14 on the flexible ejector pin 12, and flexible vaulting pole 13 slidable mounting has all been seted up spacing spout 15 in flexible spout 14 on the both sides inner wall of flexible spout 14, and equal slidable mounting has limit slider 16 in two spacing spouts 15, and spacing spout 15 is used for guaranteeing limit slider 16's sliding stability, and two equal fixed mounting of limit slider 16 are on flexible vaulting pole 13.

The utility model discloses refer to fig. 5, fixed mounting has same spacing slide bar 17 on the both sides inner wall of spacing spout 15, spacing slider 16 slides and cup joints on spacing slide bar 17, spacing slide bar 17 is used for guaranteeing spacing slider 16's installation stability, the slip has cup jointed expanding spring 18 on the spacing slide bar 17, expanding spring 18 is used for promoting spacing slider 16 and resets, guarantee the support stability of telescopic stay 13, expanding spring 18's one end contacts with spacing spout 15's inner wall, expanding spring 18's the other end contacts with spacing slider 16.

The utility model discloses the theory of operation:

when a user uses the steel chisel, the adjustable fixing rod 4 is required to be inserted into a reserved hole of the split bolt of the anti-collision wall template, the installation stability of the lower screw cap 3 is ensured, the function of supporting the threaded steel chisel 1 is achieved, then the threaded steel chisel 1 is driven to spirally slide downwards in the lower screw cap 3 through the rotating handle 2, finally the threaded steel chisel 1 is tightly screwed on a bridge floor, the effect of supporting the fixed threaded steel chisel 1 at two points is achieved, then the steel wire for hanging is fixed in the limiting hole 9, in the process, after the steel wire is placed in the limiting hole 9, the installation rotating shaft 7 is driven to rotate through the effect of the torsion spring 11, the arc-shaped interlocking plate 8 is further driven to move, the arc-shaped interlocking plate 8 drives the pressure rod 10 to fix the steel wire in the limiting hole 9, the steel wire fixing stability of the elevation limiting shaft 6 is ensured, and the position of the elevation limiting shaft 6 can be adjusted through rotating the upper adjusting screw cap 5 by the user, when fixing the threaded steel chisel 1 through the interaction between the threaded steel chisel 1 and the adjustable fixing rod 4, it is required to ensure that the threaded steel chisel 1 contacts with the bridge deck, at the moment, the three telescopic support rods 13 simultaneously contact with the bridge deck, when the threaded steel chisel 1 is inclined, the telescopic support rods 13 can retract and slide into the telescopic sliding chutes 14, and can drive the limit sliding blocks 16 to compress the telescopic springs 18, the telescopic springs 18 can push the limit sliding blocks 16 to reset, the supporting stability of the telescopic support rods 13 is ensured, and further the placing stability of the threaded steel chisel 1 is ensured, wherein the limit sliding chutes 15 are used for ensuring the sliding stability of the limit sliding blocks 16, and the limit sliding rods 17 are used for ensuring the installation stability of the limit sliding blocks 16.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. Bridge floor pitch paves construction elevation drill rod, including screw thread drill rod (1), its characterized in that: the top fixed mounting of screw-thread drill rod (1) has handle (2), screw-thread mounting has last nut (5) and lower nut (3) on screw-thread drill rod (1), the equal fixed mounting in both sides of going up nut (5) has spacing axle of elevation (6), all rotates on two spacing axles of elevation (6) and has cup jointed fixed knot structure, one side fixed mounting of lower nut (3) has adjustable dead lever (4), and the bottom fixed mounting of lower nut (3) has a bearing structure, spacing hole (9) have been seted up on the spacing axle of elevation (6).

2. The bridge deck asphalt paving construction elevation drill steel of claim 1, which is characterized in that: fixed knot constructs all fixedly including installation pivot (7), the both sides of installation pivot (7) have cup jointed arc interlock board (8), and fixed mounting has depression bar (10) between two arc interlock boards (8), depression bar (10) and spacing hole (9) looks adaptation.

3. The bridge deck asphalt paving construction elevation drill steel of claim 2, wherein: the fixed cover is connected with torsional spring (11) on installation pivot (7), and the one end fixed mounting of torsional spring (11) is on installation pivot (7), and the other end fixed mounting of torsional spring (11) is on the inner wall of the spacing axle of elevation (6).

4. The bridge deck asphalt paving construction elevation drill steel of claim 1, which is characterized in that: the supporting structure comprises a telescopic ejector rod (12) and a telescopic support rod (13), a telescopic chute (14) is formed in the telescopic ejector rod (12), the telescopic support rod (13) is slidably mounted in the telescopic chute (14), limiting chutes (15) are formed in the inner walls of the two sides of the telescopic chute (14), limiting sliding blocks (16) are slidably mounted in the two limiting chutes (15), and the two limiting sliding blocks (16) are fixedly mounted on the telescopic support rod (13).

5. The bridge deck asphalt paving construction elevation drill steel of claim 4, wherein: fixed mounting has same spacing slide bar (17) on the both sides inner wall of spacing spout (15), and spacing slider (16) slip cup joints on spacing slide bar (17), and slip cup joints expanding spring (18) on spacing slide bar (17), and the one end of expanding spring (18) contacts with the inner wall of spacing spout (15), and the other end and the spacing slider (16) of expanding spring (18) contact.