CN209878245U - Bridge single beam structure bearing capacity experimental device - Google Patents

Abstract

The utility model discloses a bridge monospar structure bearing capacity experimental apparatus, including the horizontal plate, the level bar has been placed to the upper end of horizontal plate, be equipped with on the horizontal plate and be used for carrying out the fixed establishment who fixes to the level bar, the lower extreme fixedly connected with riser of horizontal plate, the lower extreme of riser is equipped with the recess, sliding connection has the extension plate in the recess, be equipped with the adjustment mechanism who is used for adjusting the extension plate in the recess, the lower extreme fixed connection's of extension plate bottom plate, the lower extreme fixedly connected with contact pin of bottom plate, sliding connection has the slide bar on the lateral wall of riser, the one end fixedly connected with fixed plate of riser is kept away from to the slide bar. The utility model discloses install comparatively simply and convenient operation.

Description

Bridge single beam structure bearing capacity experimental device

Technical Field

The utility model relates to a bridge measurement technical field especially relates to a bridge single beam structure bearing capacity experimental apparatus.

Background

The bridge is generally a structure erected on rivers, lakes and seas to enable vehicles, pedestrians and the like to smoothly pass through, and is also extended to be a building which spans mountain stream, unfavorable geology or meets other traffic requirements to be erected to enable the bridge to pass through more conveniently in order to adapt to the modern high-speed developed traffic industry; the bridge generally comprises an upper structure, a lower structure, a support and an auxiliary structure, wherein the upper structure is also called a bridge span structure and is a main structure for spanning obstacles; the lower structure comprises a bridge abutment, a bridge pier and a foundation; the support is a force transmission device arranged at the supporting positions of the bridge span structure and the bridge pier or the bridge abutment; the auxiliary structures refer to bridge end butt straps, tapered revetments, diversion works and the like.

The existing bridge deflection detection device is generally large in size, is not suitable for small bridges, is complex to operate and is inconvenient to carry.

Therefore, the bearing capacity experiment device for the single-beam structure of the bridge is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that detection device is not suitable for small-size bridge among the prior art greatly, and the single beam structure bearing capacity experimental apparatus of a bridge that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a bridge monospar structure bearing capacity experimental apparatus, includes the horizontal plate, the level bar has been placed to the upper end of horizontal plate, be equipped with on the horizontal plate and be used for carrying out the fixed establishment who fixes the level bar, the lower extreme fixedly connected with riser of horizontal plate, the lower extreme of riser is equipped with the recess, sliding connection has the extension plate in the recess, be equipped with the adjustment mechanism who is used for adjusting the extension plate in the recess, the lower extreme fixed connection's of extension plate bottom plate, the lower extreme fixedly connected with contact pin of bottom plate, sliding connection has the slide bar on the lateral wall of riser, the equal fixedly connected with fixed plate of one end that the riser was kept away from to the slide.

Preferably, fixed establishment is including setting up the adjustment tank in the horizontal plate upper end, the adjustment tank internal rotation is connected with two-way threaded rod, two-way threaded rod external thread cover is equipped with two screw blocks, the lateral wall of two screw blocks all with the inside wall sliding connection of adjustment tank, two the one end that the adjustment tank bottom was kept away from to the screw block all extends to the adjustment tank outside and coaxial fixedly connected with splint, the one end of two-way threaded rod is rotated and is run through the first turning handle of horizontal plate and coaxial fixedly connected with.

Preferably, threaded holes matched with the bidirectional threaded rods are formed in the two thread blocks, and the thread turning directions in the two threaded holes are opposite.

Preferably, adjustment mechanism includes the threaded rod of being connected with the recess internal top rotation, the lower extreme of threaded rod and the upper end threaded connection of extension plate, be equipped with the dwang in the recess, be connected through helical gear group transmission between dwang and the threaded rod, the one end of dwang is rotated and is run through riser and coaxial fixedly connected with second turning handle.

Preferably, the helical gear set comprises a first helical gear and a second helical gear which are meshed with each other, the first helical gear is coaxially and fixedly connected with the rotating rod, and the second helical gear is coaxially and fixedly connected with the threaded rod.

Preferably, the outer side wall of the riser is imprinted with scale values.

Preferably, the vertical T type spout that is equipped with on the lateral wall of riser, sliding connection has the slider in the T type spout, the one end that the fixed plate was kept away from to the slide bar extends to in the T type spout and with slider fixed connection.

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

1. by arranging the fixing mechanism, the first rotating handle is rotated to drive the bidirectional threaded rod to rotate, the bidirectional threaded rod drives the two threaded blocks to move relatively, the two threaded blocks drive the two clamping plates to move until the opposite side walls of the two clamping plates are abutted against and contacted with the two ends of the level bar and clamped, so that the level bar can be clamped, and the level bar can be horizontally placed when the novel horizontal positioning device is installed;

2. through setting up adjustment mechanism, through rotating the second turning handle, the second turning handle drives the dwang and rotates, and the dwang drives the threaded rod and rotates, and the threaded rod drives the extension plate and goes up and down, and the extension plate drives bottom plate and contact pin and goes up and down, and until the contact pin inserts the ground or the lakebed of the bridge bottom below to it is fixed to riser and extension plate, then can measure the amount of deflection of bridge body through bolt with fixed plate and bridge body lateral wall fixed connection, the installation is simple and convenient operation.

The utility model discloses install comparatively simply and convenient operation.

Drawings

Fig. 1 is a front perspective view of a device for testing bearing capacity of a single-beam structure of a bridge according to the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is the utility model provides a side structure perspective of bridge list beam structure bearing capacity experimental apparatus.

In the figure: the device comprises a horizontal plate 1, a horizontal ruler 2, a fixing mechanism 3, a vertical plate 4, a groove 5, an extension plate 6, an adjusting mechanism 7, a bottom plate 8, a pin 9, a sliding block 10, a sliding rod 11, a fixing plate 12, an adjusting groove 13, a threaded rod 14, a threaded block 15, a clamping plate 16, a first rotating handle 17, a threaded rod 18, a rotating rod 19, a bevel gear set 20, a second rotating handle 21, a first bevel gear 22, a second bevel gear 23, a scale division value 24 and a sliding chute 25T.

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. 1-3, a single-beam structure bearing capacity experimental device for a bridge, which comprises a horizontal plate 1, a horizontal rule 2 is placed at the upper end of the horizontal plate 1, a fixing mechanism 3 for fixing the horizontal rule 2 is arranged on the horizontal plate 1, it is worth mentioning that the fixing mechanism 3 comprises an adjusting groove 13 arranged at the upper end of the horizontal plate 1, a bidirectional threaded rod 14 is rotatably connected in the adjusting groove 13, two threaded blocks 15 are sleeved on the bidirectional threaded rod 14 in an external thread manner, it should be noted that threaded holes matched with the bidirectional threaded rod 14 are respectively arranged on the two threaded blocks 15, the thread rotating directions in the two threaded holes are opposite, the outer side walls of the two threaded blocks 15 are respectively in sliding connection with the inner side wall of the adjusting groove 13, one ends of the two threaded blocks 15 far away from the bottom in the adjusting groove 13 are respectively extended out of the adjusting groove 13 and coaxially and fixedly connected with a clamping plate 16, one end of the bidirectional threaded rod 14 is, lower extreme fixedly connected with riser 4 of horizontal plate 1, it should explain that, the scale interval 24 has been carved with on riser 4's the lateral wall, and the vertical T type spout 25 that is equipped with on riser 4's the lateral wall, sliding connection has slider 10 in the T type spout 25, and the one end that fixed plate 12 was kept away from to slide bar 11 extends to in the T type spout 25 and with slider 10 fixed connection, and riser 4's lower extreme is equipped with recess 5.

In the utility model, an extension plate 6 is slidably connected in a groove 5, an adjusting mechanism 7 for adjusting the extension plate 6 is arranged in the groove 5, it should be noted that the adjusting mechanism 7 comprises a threaded rod 18 rotatably connected with the top in the groove 5, the lower end of the threaded rod 18 is in threaded connection with the upper end of the extension plate 6, a rotating rod 19 is arranged in the groove 5, the rotating rod 19 is in transmission connection with the threaded rod 18 through a bevel gear set 20, specifically, the bevel gear set 20 comprises a first bevel gear 22 and a second bevel gear 23 which are meshed with each other, the first bevel gear 22 is coaxially and fixedly connected with the rotating rod 19, the second bevel gear 23 is coaxially and fixedly connected with the threaded rod 18, one end of the rotating rod 19 penetrates through a vertical plate 4 and is coaxially and fixedly connected with a second rotating handle 21, a bottom plate 8 fixedly connected with the lower end of the extension plate 6, a contact pin 9 is fixedly connected with the lower, one end of the sliding rod 11 far away from the vertical plate 4 is fixedly connected with a fixing plate 12.

When the level ruler 2 is installed, the level ruler 2 is placed on the horizontal plate 1, then the first rotating handle 17 is rotated, the first rotating handle 17 drives the two-way threaded rod 14 to rotate, the two-way threaded rod 14 drives the two threaded blocks 15 to move relatively, the two threaded blocks 15 drive the two clamping plates 16 to move until the opposite side walls of the two clamping plates 16 are abutted and contacted with and clamped with the two ends of the level ruler 2; then rotate second turning handle 21, second turning handle 21 drives dwang 19 and rotates, dwang 19 drives first helical gear 22 and rotates, first helical gear 22 drives second helical gear 23 and rotates, second helical gear 23 drives threaded rod 18 and rotates, threaded rod 18 drives extension plate 6 and goes up and down, extension plate 6 drives bottom plate 8 and contact pin 9 and goes up and down, until suitable length, make contact pin 9 insert ground or lakebed below the bridge bottom, then keep horizontal chi 2 level, then through the bolt with fixed plate 12 fixedly connected with bridge body lateral wall on, can carry out the load experiment to the bridge body, go on the record through bridge body decline rereading, it can detect the bridge amount of deflection to calculate.

The above, only be the concrete implementation of the preferred embodiment 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, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. A device for testing the bearing capacity of a bridge single-beam structure comprises a horizontal plate (1) and is characterized in that, a horizontal ruler (2) is arranged at the upper end of the horizontal plate (1), a fixing mechanism (3) for fixing the horizontal ruler (2) is arranged on the horizontal plate (1), the lower end of the horizontal plate (1) is fixedly connected with a vertical plate (4), the lower end of the vertical plate (4) is provided with a groove (5), an extension plate (6) is connected in the groove (5) in a sliding way, an adjusting mechanism (7) for adjusting the extension plate (6) is arranged in the groove (5), a bottom plate (8) fixedly connected with the lower end of the extension plate (6), a contact pin (9) fixedly connected with the lower end of the bottom plate (8), sliding connection has slide bar (11) on the lateral wall of riser (4), slide bar (11) are kept away from one end fixedly connected with fixed plate (12) of riser (4).

2. The experimental device for bearing capacity of single beam structure of bridge according to claim 1, wherein the fixing mechanism (3) comprises an adjusting groove (13) arranged at the upper end of the horizontal plate (1), a bidirectional threaded rod (14) is rotationally connected in the adjusting groove (13), two threaded blocks (15) are sleeved on the external thread of the bidirectional threaded rod (14), the outer side walls of the two threaded blocks (15) are slidably connected with the inner side wall of the adjusting groove (13), one ends of the two threaded blocks (15) far away from the inner bottom of the adjusting groove (13) extend out of the adjusting groove (13) and are fixedly connected with a clamping plate (16) coaxially, and one end of the bidirectional threaded rod (14) rotates to penetrate through the horizontal plate (1) and is fixedly connected with a first rotating handle (17) coaxially.

3. The experimental device for the bearing capacity of the single-beam structure of the bridge as claimed in claim 2, wherein the two threaded blocks (15) are respectively provided with a threaded hole matched with the two-way threaded rod (14), and the thread directions in the two threaded holes are opposite.

4. The experimental device for the bearing capacity of the single-beam structure of the bridge as claimed in claim 1, wherein the adjusting mechanism (7) comprises a threaded rod (18) rotatably connected with the inner top of the groove (5), the lower end of the threaded rod (18) is in threaded connection with the upper end of the extension plate (6), a rotating rod (19) is arranged in the groove (5), the rotating rod (19) is in transmission connection with the threaded rod (18) through a bevel gear set (20), and one end of the rotating rod (19) is rotated to penetrate through the vertical plate (4) and is coaxially and fixedly connected with a second rotating handle (21).

5. The experimental device for the bearing capacity of the single beam structure of the bridge according to claim 4, wherein the bevel gear set (20) comprises a first bevel gear (22) and a second bevel gear (23) which are meshed with each other, the first bevel gear (22) is coaxially and fixedly connected with the rotating rod (19), and the second bevel gear (23) is coaxially and fixedly connected with the threaded rod (18).

6. The experimental device for the bearing capacity of the single-beam structure of the bridge according to claim 1, wherein scale values (24) are engraved on the outer side walls of the vertical plates (4).

7. The experimental device for the bearing capacity of the single-beam structure of the bridge according to claim 1, wherein a T-shaped sliding groove (25) is vertically arranged on the side wall of the vertical plate (4), a sliding block (10) is slidably connected in the T-shaped sliding groove (25), and one end of the sliding rod (11) far away from the fixed plate (12) extends into the T-shaped sliding groove (25) and is fixedly connected with the sliding block (10).