CN113605256A

CN113605256A - Measuring instrument for bridge construction

Info

Publication number: CN113605256A
Application number: CN202111095267.XA
Authority: CN
Inventors: 吴武基
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2021-11-05

Abstract

The invention relates to the technical field of road and bridge measurement, and discloses a measuring instrument for bridge construction, which comprises a shell, wherein a pulling box is slidably connected inside the shell, a support plate is slidably connected in the middle of the pulling box, buffer cotton is fixedly connected at the top of the support plate, a placing groove for placing a measuring instrument is formed in the middle of the buffer cotton, a buffer assembly is fixedly connected at the bottom of the support plate, the buffer assembly comprises two groups of elastic sheets which are symmetrically arranged, the two elastic sheets are movably connected through a movable rod, a through groove is formed in the center of the bottom of the placing groove, a push block is arranged in the through groove, a support rod is rotatably connected below the push block, one end of the support rod, far away from the push block, is rotatably connected with a pry rod, the impact on the measuring instrument is reduced through the buffer cotton and the elastic sheets, the precision of the instrument is guaranteed, the instrument is jacked up through the prying bar, the supporting rod and the pushing block, and the instrument is convenient to take out.

Description

Measuring instrument for bridge construction

Technical Field

The invention relates to the technical field of road and bridge measurement, in particular to a measuring instrument for bridge construction.

Background

In the process of bridge construction, measuring instruments are often used, which refer to a combination of measuring instruments and auxiliary equipment for measuring, and some auxiliary equipment or tools for measuring can be included in common instruments. The existing level is a common measuring instrument for measuring the height difference between two ground points by establishing a horizontal sight line, the principle is to measure the height difference between the ground points according to the leveling principle, and main components are expected to be a telescope, a pipe level (or a compensator), a vertical shaft, a base and a foot screw. It is divided into a micro-tilt level, an automatic leveling level, a laser level and a digital level (also called an electronic level) according to the structure. The precision level is divided into a precision level and a common level according to the precision. The method is widely applied to the field of road and bridge measurement or deformation monitoring.

The spirit level belongs to the instrument of high accuracy, generally can carry spirit level and A-frame split to the job site, later use in the equipment, general spirit level carries box shock attenuation protection effect relatively poor, at the in-process of carrying, if the constructor is careless, probably cause the damage to the spirit level, cause higher economic loss, present carrying box is equipped with the buffering cotton in order to prevent that the spirit level collision is generally at the box body in addition, the spirit level is placed in the recess in the middle of the buffering cotton, when wanting to take out the spirit level, need follow the spirit level side with the finger and insert in the recess, take out the spirit level again, it is comparatively troublesome.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a measuring instrument for bridge construction, which solves the problems in the background art.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a measuring instrument for bridge construction comprises a shell, wherein a pull box is slidably connected inside the shell, a support plate is slidably connected in the middle of the pull box, buffer cotton is fixedly connected to the top of the support plate, a placing groove for placing a measuring instrument is formed in the middle of the buffer cotton, a buffer assembly is fixedly connected to the bottom of the support plate and comprises two groups of elastic sheets which are symmetrically arranged, the bottom ends of the elastic sheets are fixedly connected to a bottom plate arranged at the bottom of the pull box, the two elastic sheets are movably connected through a movable rod, and a second spring is sleeved on the movable rod;

the bottom center of standing groove has been seted up logical groove, lead to the inslot and install the ejector pad, the below of ejector pad is rotated and is connected with the bracing piece, the one end that the ejector pad was kept away from to the bracing piece is rotated and is connected with the pinch bar, the pinch bar passes through the supporting shoe and rotates to be connected on the bottom plate, the pinch bar is the L shape, the one end that the bracing piece was kept away from to the pinch bar is close to the casing internal side of surveying the top, the inside opening part fixed connection dog that is close to in casing top, the dog is trapezoidal form, works as when the pull box is taken out from the casing, the pinch bar tip can remove to the dog low side along the dog inclined plane, and then passes through the bracing piece is with the ejector pad perk, promotes the ejector pad along leading to groove rebound.

Preferably, the terminal surface is connected with the supporting leg under the bottom plate in the rotation, supporting leg and bottom plate junction fixedly connected with can be with the torsional spring two that the supporting leg struts, the terminal surface is located the supporting leg left side position and rotates and be connected with the depression bar under the bottom plate, the inside spout two that has seted up of one end that the bottom plate was kept away from to the depression bar, sliding connection has the slide bar in the spout two, the bottom of slide bar is rotated through the mounting panel and is connected with gyro wheel three, fixedly connected with spring one between depression bar tip and the mounting panel, the spacing groove has been seted up with the three corresponding position of gyro wheel on the supporting leg.

Preferably, the supporting leg is provided with a movable groove at the side edge of the limit groove, the movable groove penetrates through the supporting leg, a rotating block is connected to the middle of the movable groove in a rotating mode, the rotating block is in a dovetail shape, the upper end of the rotating block is connected with a push rod in a rotating mode, and one end, far away from the rotating block, of the push rod is connected to the side edge of the lower end of the pressing rod in a rotating mode.

Preferably, the bottom end of the supporting leg is rotatably connected with a first roller.

Preferably, one end of the pry bar, which is contacted with the stop block, is rotatably connected with a second roller.

Preferably, a first torsion spring is fixedly connected to the connecting position of the compression bar and the bottom plate.

Preferably, the buffering assemblies are four in number and symmetrically distributed on four corners of the lower end face of the supporting plate.

Preferably, a pull handle capable of pulling the drawing box out of the shell is fixedly connected to the outer side wall of the drawing box.

Preferably, the side fixedly connected with slide rail of pull box, set up the spout one with slide rail looks block on the casing both sides inner wall.

Preferably, gaps for fingers to insert are formed in the center of the two sides of the placing groove on the buffering cotton.

(III) advantageous effects

The invention provides a measuring instrument for bridge construction, which has the following beneficial effects:

1. according to the invention, the drawing box, the buffer cotton and the shell are matched to work to protect the measuring instrument, and the measuring instrument is damaged in the transportation process;

2. the elastic piece is arranged at the bottom of the buffering cotton, so that the buffering and damping capacity of the device is improved, and the measuring instrument is safer in the transportation process;

3. when the pull box is drawn out, the stop block, the prying bar, the supporting rod and the push block work cooperatively, so that the measuring instrument can be synchronously jacked up for a certain distance, and the measuring instrument can be conveniently taken out of the placing groove; when the drawing box is closed, the measuring instrument is automatically retracted into the placing groove;

4. when taking out the pull box, pop out the supporting leg auto-eject of pull bottom of the box portion through torsional spring one, support the pull box, torsional spring two drive the depression bar and rotate, make depression bar tip joint in the spacing groove of supporting leg, support the supporting leg, make the device casing can stably place subaerial, can be with measuring record table, measuring tool such as recording pen puts above, facilitate the use, when closing the pull box, turning block and casing trompil lower extreme butt, the turning block rotates and drives gyro wheel three on the push rod promotion depression bar and shifts out from the spacing groove, later the supporting leg is automatic to be withdrawed.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a partial cross-sectional view of the present invention;

FIG. 3 is another partial cross-sectional view of the present invention;

FIG. 4 is an enlarged view of the structure of area A of the present invention;

FIG. 5 is a schematic view of the structure of the elastic sheet of the present invention.

In the figure: 1. a housing; 2. a box is drawn out; 3. a handle; 4. buffering cotton; 5. a placement groove; 6. opening the gap; 7. a push block; 8. a slide rail; 9. a through groove; 10. a support plate; 11. supporting legs; 12. a first roller; 13. a support bar; 14. a pry bar; 15. a second roller; 16. a first sliding chute; 17. a stopper; 18. a base plate; 19. rotating the block; 20. a push rod; 21. a pressure lever; 22. a first torsion spring; 23. a second torsion spring; 24. a movable groove; 25. a slide bar; 26. a first spring; 27. a third roller; 28. a limiting groove; 29. a second chute; 30. an elastic sheet; 31. a movable rod; 32. and a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 5, the present invention provides a technical solution: a measuring instrument for bridge construction comprises a shell 1, a drawing box 2 is slidably connected inside the shell 1, a supporting plate 10 is slidably connected in the middle of the drawing box 2, buffering cotton 4 is fixedly connected to the top of the supporting plate 10, a placing groove 5 for placing a measuring instrument is formed in the middle of the buffering cotton 4, a buffering assembly is fixedly connected to the bottom of the supporting plate 10 and comprises two groups of elastic sheets 30 which are symmetrically arranged, the bottom ends of the elastic sheets 30 are fixedly connected to a bottom plate 18 arranged at the bottom of the drawing box 2, the two elastic sheets 30 are movably connected through a movable rod 31, a second spring 32 is sleeved on the movable rod 31, the measuring instrument is placed in the placing groove 5 in the middle of the buffering cotton 4, the damping effect of the device can be improved, the influence of external impact on the instrument is effectively reduced, the precision of the measuring instrument is ensured, in addition, the impact force is transmitted to the arc-shaped elastic sheets 30 through the supporting plate 10 by the buffering cotton 4, the elastic pieces 30 deform to absorb impact force, the two elastic pieces 30 approach to the middle to extrude the second spring 32, the buffering effect is further improved, and the protection capability is stronger;

through groove 9 has been seted up at the bottom center of standing groove 5, install ejector pad 7 in leading to groove 9, the below of ejector pad 7 is rotated and is connected with bracing piece 13, the one end that the ejector pad 7 was kept away from to bracing piece 13 is rotated and is connected with pinch bar 14, pinch bar 14 rotates through the supporting shoe and connects on bottom plate 18, pinch bar 14 is the L shape, the one end that bracing piece 13 was kept away from to pinch bar 14 is close to casing 1 inside survey top, the inside opening part fixed connection dog 17 that is close to in casing 1 top, dog 17 is trapezoidal form, when pull box 2 is taken out from casing 1, the 14 tip of pinch bar can remove to dog 17 low side along dog 17 inclined plane, and then through bracing piece 13 with ejector pad 7 perk, promote ejector pad 7 and upwards remove along leading to groove 9, thereby can promote measuring instrument one section distance of rebound, conveniently take out measuring instrument from standing groove 5 like this, and convenient to use.

Furthermore, the lower end face of the bottom plate 18 is rotatably connected with a supporting leg 11, a torsional spring II 23 which can prop the supporting leg 11 is fixedly connected at the joint of the supporting leg 11 and the bottom plate 18, the lower end face of the bottom plate 18 is positioned at the left side of the supporting leg 11 and is rotatably connected with a pressure lever 21, a sliding chute II 29 is arranged in one end of the pressure lever 21 far away from the bottom plate 18, a sliding rod 25 is slidably connected in the sliding chute II 29, the bottom end of the sliding rod 25 is rotatably connected with a roller III 27 through a mounting plate, a spring I26 is fixedly connected between the end part of the pressure lever 21 and the mounting plate, a limiting groove 28 is arranged on the supporting leg 11 corresponding to the roller III 27, when the pull box 2 is pulled out, the supporting leg 11 loses the constraint of the shell 1, the supporting leg 11 is unfolded in an anticlockwise motion under the action of the torsional spring II 23, the end part of the supporting leg 11 is contacted with the ground, meanwhile, the pressure lever 21 rotates clockwise, and the roller III 27 at the end part is clamped in the limiting groove 28 on the supporting leg 11, therefore, the device shell 1 can be stably placed on the ground, and measuring tools such as a measuring and recording meter and a recording pen can be placed on the device shell, so that the device is convenient to use; the first spring 26 facilitates the third roller 27 to extend and retract, and is more easily clamped and separated with the limiting groove 28.

Further, the supporting leg 11 is last to be located the spacing groove 28 side and has seted up movable groove 24, movable groove 24 runs through supporting leg 11, it is connected with turning block 19 to rotate in the middle of the movable groove 24, turning block 19 is the dovetail, the upper end of turning block 19 is rotated and is connected with push rod 20, push rod 20 is kept away from the one end rotation of turning block 19 and is connected at depression bar 21 lower extreme side, when closing pull box 2, turning block 19 and 1 open end lower limb butt of casing, turning block 19 rotates and drives push rod 20 and promote that gyro wheel three 27 on the depression bar 21 tip shifts out from spacing groove 28, later supporting leg 11 can stop on casing 1 and withdraw automatically down.

Furthermore, the bottom end of the supporting leg 11 is rotatably connected with a first roller 12, and the first roller 12 facilitates the movement of the supporting leg 11 along the ground, so that the supporting leg 11 can be unfolded conveniently.

Further, one end of the pry bar 14 contacting the stopper 17 is rotatably connected with a second roller 15, and the pry bar 14 is convenient to move along the surface of the stopper 17 through the second roller 15.

Furthermore, a torsion spring I22 is fixedly connected to the connecting position of the pressing rod 21 and the bottom plate 18, the pressing rod 21 is driven to move clockwise through the torsion spring I22, a roller III 27 arranged at the end of the pressing rod 21 rotates until being clamped in a limiting groove 28 formed in the supporting leg 11, and therefore the bottom of the drawing box 2 can be supported.

Further, the buffer assemblies have four groups and are symmetrically distributed on four corners of the lower end surface of the support plate 10, so that the measurement instrument above the buffer assemblies can be placed more stably.

Furthermore, a handle 3 capable of pulling the drawing box 2 out of the housing 1 is fixedly connected to the outer side wall of the drawing box 2.

Further, the side fixedly connected with slide rail 8 of pull box 2, set up on the inner wall of casing 1 both sides with slide rail 8 looks block's spout one 16, slide rail 8 and the cooperation of spout one 16 kill and fall pull box 2 and can be stable taken out from casing 1.

Furthermore, gaps 6 for fingers to insert are formed in the centers of two sides of the placing groove 5 on the buffer cotton 4, so that the measuring instrument can be conveniently taken out of the placing groove 5.

In conclusion, the working process of the invention is as follows: when the device is used, the measuring instrument is placed in the placing groove 5 in the middle of the buffer cotton 4 of the device and carried on a construction site, the buffer cotton 4 can improve the damping effect of the device, the influence of external impact on the instrument is effectively reduced, the precision of the measuring instrument is ensured, in addition, the collision force is transmitted by the buffer cotton 4 through the supporting plate 10, the elastic sheets 30 deform and absorb the impact force, the two elastic sheets 30 approach to the middle, the second spring 32 is extruded, the buffering effect is further improved, the protection capability is stronger, the pull box 2 is pulled out of the shell 1 through the handle 3, the end part of the prying rod 14 can move to the lower end of the stop block 17 along the inclined surface of the stop block 17, the push block 7 is further tilted through the supporting rod 13, the push block 7 is pushed to move upwards along the through groove 9, so that the measuring instrument can be pushed to move upwards for a certain distance, and the measuring instrument can be conveniently taken out of the placing groove 5, in addition, when the pull box 2 is pulled out, the supporting leg 11 loses the constraint of the shell 1, under the action of the second torsion spring 23, the supporting leg 11 moves anticlockwise to be unfolded, the end part of the supporting leg 11 is contacted with the ground, the first torsion spring 22 drives the compression bar 21 to move clockwise, the roller wheel three 27 arranged at the end part of the compression bar 21 rotates until being clamped in the limiting groove 28 arranged on the supporting leg 11, so that the device can be supported at the bottom of the pull box 2, the shell 1 can be stably placed on the ground, measuring tools such as a measuring recording meter, a recording pen and the like can be placed on the shell, the device is convenient to use, after the measurement is completed, the instrument is placed back in the placing groove 5, the pull box 2 is closed, at the moment, the pry bar 14 rolls off from the stop block 17, the instrument is retracted into the placing groove 5 under the action of self gravity, the rotating block 19 is abutted against the lower edge of the shell 1, the rotating block 19 rotates and drives the push rod 20 to push the roller three 27 on the end of the pressure lever 21 to move out of the limiting groove 28, and then the supporting leg 11 is automatically retracted under the blocking of the shell 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A measuring instrument for bridge construction, comprising a housing (1), characterized in that: the measuring instrument is characterized in that a drawing box (2) is slidably connected inside the shell (1), a supporting plate (10) is slidably connected in the middle of the drawing box (2), buffering cotton (4) is fixedly connected to the top of the supporting plate (10), a placing groove (5) for placing a measuring instrument is formed in the middle of the buffering cotton (4), a buffering assembly is fixedly connected to the bottom of the supporting plate (10), the buffering assembly comprises two groups of elastic pieces (30) which are symmetrically arranged, the bottom end of each elastic piece (30) is fixedly connected to a bottom plate (18) arranged at the bottom of the drawing box (2), the two elastic pieces (30) are movably connected through a movable rod (31), and a second spring (32) is sleeved on the movable rod (31);

the bottom center of the placing groove (5) is provided with a through groove (9), a push block (7) is installed in the through groove (9), a support rod (13) is rotatably connected to the lower portion of the push block (7), one end, far away from the push block (7), of the support rod (13) is rotatably connected with a pry bar (14), the pry bar (14) is rotatably connected to a bottom plate (18) through a support block, the pry bar (14) is L-shaped, one end, far away from the support rod (13), of the pry bar (14) is close to the top of the inner side of the shell (1), a stop block (17) is fixedly connected to the inner portion of the top end of the shell (1) and close to an opening, the stop block (17) is trapezoidal, when the drawing box (2) is drawn out of the shell (1), the end portion of the pry bar (14) can move to the lower end of the stop block (17) along the inclined plane, and then the push block (7) is tilted through the support rod (13), the push block (7) is pushed to move upwards along the through groove (9).

2. A measuring instrument for bridge construction according to claim 1, wherein: rotate on the terminal surface under bottom plate (18) and be connected with supporting leg (11), supporting leg (11) and bottom plate (18) junction fixedly connected with can be with torsional spring two (23) that supporting leg (11) strutted, the terminal surface is located supporting leg (11) left side position rotation and is connected with depression bar (21) under bottom plate (18), spout two (29) have been seted up to depression bar (21) one end inside of keeping away from bottom plate (18), sliding connection has slide bar (25) in spout two (29), the bottom of slide bar (25) is rotated through the mounting panel and is connected with gyro wheel three (27), fixedly connected with spring one (26) between depression bar (21) tip and the mounting panel, spacing groove (28) have been seted up with gyro wheel three (27) corresponding positions on supporting leg (11).

3. A measuring instrument for bridge construction according to claim 1, wherein: activity groove (24) have been seted up to locating spacing groove (28) side on supporting leg (11), activity groove (24) run through supporting leg (11), activity groove (24) intermediate rotation is connected with turning block (19), turning block (19) are the dovetail, the upper end of turning block (19) is rotated and is connected with push rod (20), the one end rotation that turning block (19) were kept away from in push rod (20) is connected at depression bar (21) lower extreme side.

4. A measuring instrument for bridge construction according to claim 1, wherein: the bottom end of the supporting leg (11) is rotatably connected with a first roller (12).

5. A measuring instrument for bridge construction according to claim 1, wherein: one end of the pry bar (14) contacting the stop block (17) is rotatably connected with a second roller (15).

6. A measuring instrument for bridge construction according to claim 1, wherein: and a first torsion spring (22) is fixedly connected to the connecting position of the pressure lever (21) and the bottom plate (18).

7. A measuring instrument for bridge construction according to claim 1, wherein: the four buffer assemblies are symmetrically distributed on four corners of the lower end face of the supporting plate (10).

8. A measuring instrument for bridge construction according to claim 1, wherein: the outer side wall of the drawing box (2) is fixedly connected with a handle (3) which can pull the drawing box (2) out of the shell (1).

9. A measuring instrument for bridge construction according to claim 1, wherein: the side fixedly connected with slide rail (8) of pull box (2), set up spout one (16) with slide rail (8) looks block on the inner wall of casing (1) both sides.

10. A measuring instrument for bridge construction according to claim 1, wherein: gaps (6) for fingers to insert are formed in the centers of the two sides of the placing groove (5) on the buffer cotton (4).