CN213041118U

CN213041118U - Bridge expansion joint assembly tolerance measuring device

Info

Publication number: CN213041118U
Application number: CN202021553489.2U
Authority: CN
Inventors: 朱文彬; 万正华; 陈何文; 林志威; 阳兵; 张贺斌
Original assignee: Zhongnan Testing Technology Co ltd
Current assignee: Zhongnan Testing Technology Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-04-23
Anticipated expiration: 2030-07-31

Abstract

The utility model discloses a bridge expansion joint assembly tolerance measuring device, which comprises a pedestal and a test piece, wherein the pedestal comprises a fixing frame, the test piece comprises an anchoring reinforcing steel bar, the upper end part of the inner side of the fixing frame is provided with a fixed baffle, and the two ends of the upper end part of the outer side are provided with fixed blocks; a movable baffle is arranged on the fixed frame between the fixed baffle and the fixed block, an oil cylinder is arranged on one side of the movable baffle, which is far away from the fixed baffle, and the oil cylinder is connected with a horizontal pump; a plurality of slideways are arranged between the fixed baffle and the movable baffle and are uniformly distributed at intervals; a plurality of groups of fixed connection devices are arranged between two adjacent slideways, and each group of fixed connection devices comprises a first fixed connection device formed on the fixed baffle and a second fixed connection device formed on the movable baffle, and the first fixed connection devices and the second fixed connection devices are arranged in pairs in an opposite manner; the first fixedly connecting device is provided with a first slot, the second fixedly connecting device is provided with a second slot, and the first slot and the second slot are respectively matched with the anchoring steel bars on the two sides of the test piece.

Description

Bridge expansion joint assembly tolerance measuring device

Technical Field

The utility model relates to a detection test technical field especially relates to a bridge expansion joint assembly tolerance measuring device.

Background

The bridge expansion joint device detection tester is a special test device developed according to related requirements of 'general technical conditions for highway bridge expansion joint devices' JT/T327-2016 standard, and is mainly suitable for detecting assembly tolerance of the expansion joint devices in a stretching state and a compression state, wherein the test tolerance comprises dimension errors, relative height difference of top surfaces of each middle longitudinal beam and each side longitudinal beam, longitudinal errors and total width errors between each middle longitudinal beam and each side longitudinal beam, height difference of toothed plates, longitudinal and transverse gaps, overlapping length of the toothed plates and the like.

Through the retrieval discovery, some experimental patent of disclosing of bridge expansion joint of prior art, for example, chinese of publication number CN209689588U is exclusively used in 2019 11 month 26 and has disclosed a bridge expansion joint device testing machine, including a base frame and No. two base frames, one side of a base frame is provided with No. two base frames, fixed mounting has the horizontal pole between a base frame and No. two base frames, the upper end surface of a base frame is provided with modularization centre gripping anchor clamps, movable support and a roof, modularization centre gripping anchor clamps are located movable support's rear end, a roof is located movable support's front end, be provided with a loading cylinder between a roof and the movable support, the upper end external surface fixed mounting of No. two base frames has No. two roofs. This patent is passed through the test measurement at hydraulic power unit and electrical apparatus control box control bridge expansion joint, but it need set up the clamping of main anchor clamps and vice anchor clamps and carry out the work piece that awaits measuring, and the structure is more complicated.

China with publication number CN210441772U specially adapted for 5.1.2020, discloses equipment for measuring the assembly tolerance of a bridge expansion device, which does not include the bridge expansion device; the device comprises a central control module, a power supply module, a step motor, a lead screw, a step sliding block, a step guide rail, a support module, a movable clamp, a support guide rail, a graduated scale, a sliding block clamp, a measuring table and a fixed clamp. This patent is through setting up the clamp of removal anchor clamps, sliding block anchor clamps, mounting fixture etc. and realize the clamp of work piece that awaits measuring, and the structure is more complicated.

It can be seen that the existing testing machine for detecting the bridge expansion joint device has certain disadvantages in use, the structure is complex, the running performance of partial components is not ideal enough, the operation is inconvenient, certain adverse effects are brought to the use process of people, and therefore the device for measuring the assembly tolerance of the bridge expansion joint is provided.

Disclosure of Invention

For overcoming the not enough of above-mentioned prior art, the utility model provides a bridge expansion joint assembly tolerance measuring device, simple structure, the subassembly operation is stable, and convenient operation satisfies the demand that actual detection work developed.

The utility model discloses a realize through following technical scheme:

the bridge expansion joint assembly tolerance measuring device comprises a pedestal and a test piece, wherein the pedestal comprises a fixing frame, the test piece comprises an anchoring steel bar, a fixing baffle is arranged at the upper end part of the inner side of the fixing frame, and fixing blocks are arranged at two ends of the upper end part of the outer side of the fixing frame; a movable baffle is arranged on the fixed frame between the fixed baffle and the fixed block, an oil cylinder is arranged on one side of the movable baffle, which is far away from the fixed baffle, and the oil cylinder is connected with a horizontal pump; a plurality of slideways are arranged between the fixed baffle and the movable baffle and are uniformly distributed at intervals; a plurality of groups of fixed connection devices are arranged between two adjacent slideways, and each group of fixed connection devices comprises a first fixed connection device formed on the fixed baffle and a second fixed connection device formed on the movable baffle, and the first fixed connection devices and the second fixed connection devices are arranged in pairs in an opposite manner; the first fixedly connecting device is provided with a first slot, the second fixedly connecting device is provided with a second slot, and the first slot and the second slot are respectively matched with the anchoring steel bars on the two sides of the test piece.

In the technical scheme, one side of a test piece is fixedly connected with a fixed baffle through the matching of a first fixed connection device, a first slot and an anchoring steel bar, the other side of the test piece is connected with a movable baffle through the matching of a second fixed connection device, a second slot and an anchoring steel bar, the movable baffle is connected with an oil cylinder, and the oil cylinder is connected with a horizontal pump; during measurement, the horizontal pump drives the oil cylinder to work, and the oil cylinder drives the movable baffle to move inwards or outwards, so that the test piece is extruded or stretched, and the measurement of the assembly tolerance of the test piece is completed.

As a further technical scheme, the number of the slideways is four, and two groups of fixedly connecting devices are arranged between every two adjacent slideways. Two slide ways are respectively arranged at the end parts of the two sides of the fixed frame, and the other two slide ways are arranged at the middle position of the fixed frame at equal intervals.

Further, the mount includes four support columns, and the top end to end of four support columns forms the rectangle frame, equidistant two spinal branch vaulting poles of having erect between two long limits of rectangle frame, two be used for placing the slide on the two minor faces of bracing piece and rectangle frame.

As a further technical solution, the first fastening device includes a first upper fixing surface, a first fastening surface and a first lower fixing surface; the first upper fixing surface is fixedly welded with the upper surface of the fixing baffle; the first lower fixing surface is welded and fixed with the lower surface of the fixing baffle; an insertion space is formed between the first fixing surface and the side surface of the fixing baffle. The insertion space is used for inserting the anchoring steel bar on one side of the test piece.

As a further technical solution, the second fastening device includes a second upper fastening surface, a second fastening surface and a second lower fastening surface; the second upper fixing surface is welded and fixed with the upper surface of the movable baffle; the second lower fixing surface is fixedly welded with the lower surface of the movable baffle; an insertion space is formed between the second fixing surface and the side surface of the movable baffle. The insertion space is used for inserting the anchoring steel bar on the other side of the test piece.

Among the above-mentioned technical scheme, through the cooperation of first rigid coupling device, second rigid coupling device and test piece anchor reinforcing bar, it is fixed to realize the centre gripping of test piece, has greatly simplified the device structure that is used for the expansion joint to fix among the measurement test.

As a further technical scheme, the first slot is formed on the side surface of the first fixing device facing the movable baffle; the second slot is formed on the side surface of the second fixed connection device facing the fixed baffle. The first slot and the second slot are arranged oppositely, so that the anchoring steel bars on the two sides of the test piece can be conveniently inserted and fixed.

As a further technical solution, the first slot and the second slot are both configured with fixing pins. The first slot and the second slot are hollow slots, after the anchoring steel bar is inserted, a through hole is formed between the front end of the anchoring steel bar inserted into the cleaning device and the fixed connection surface, and a fixing pin is inserted into the through hole to realize the fixed connection of the anchoring steel bar and the fixed connection device.

As a further technical scheme, annular stop blocks are arranged at one end parts of the side surfaces of the first slot and the second slot, and the annular stop blocks are matched with the fixing pins. The fixing pin is L-shaped bolt, and the L-shaped bolt is inserted from the one end of keeping away from cyclic annular dog, via the through-hole that the anchor reinforcing bar formed, then runs through cyclic annular dog. The annular stop block plays a role in fixing the L-shaped bolt.

As a further technical scheme, L-shaped baffles are arranged at two end parts of the slide way, and the height of each L-shaped baffle is greater than that of the slide way. The arrangement can prevent the test piece from slipping off the slide way when the test piece is stretched.

As a further technical scheme, two oil cylinders are arranged and are respectively positioned at the end parts of two sides of the fixed frame; the output shaft of the oil cylinder is connected with the outer side of the movable baffle, and one end, far away from the output shaft, of the oil cylinder is fixedly connected with the fixed block. One side of the fixing frame, which is far away from the fixed baffle, is provided with an air inlet valve seat and an air outlet valve seat, the air inlet valve seat is connected with the air inlet end of the oil cylinder, and the air outlet valve seat is connected with the air outlet end of the oil cylinder.

As a further technical scheme, the horizontal pump is provided with a supporting seat, and the supporting seat is arranged in the middle of one side of the pedestal.

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

(1) the utility model fixes one side of the test piece through the matching of the first fixed connecting device, the first slot and the anchoring reinforcing bar, and connects the other side of the test piece with the movable baffle through the matching of the second fixed connecting device, the second slot and the anchoring reinforcing bar, the movable baffle is connected with the oil cylinder, and the oil cylinder is connected with the horizontal pump; during measurement, the horizontal pump drives the oil cylinder to work, and the oil cylinder drives the movable baffle to move inwards or outwards, so that the test piece is extruded or stretched, and the measurement of the assembly tolerance of the test piece is completed.

(2) The utility model discloses utilize anchor reinforcing bar cooperation rigid coupling device of test piece self to realize that the clamp of test piece is tight fixed, simple structure, the subassembly operation is stable, and convenient operation satisfies the demand that actual detection work was carried out.

Drawings

Fig. 1 is a schematic view of a bridge expansion joint assembly tolerance measuring device according to an embodiment of the present invention;

fig. 2 is a schematic view of a flapper according to an embodiment of the present invention;

fig. 3 is a schematic view of a fixed stop according to an embodiment of the present invention;

fig. 4 is a schematic view of a test piece according to an embodiment of the present invention;

fig. 5 is a schematic view of a fixing frame according to an embodiment of the present invention.

In the figure: 1. fixing a baffle plate; 101. a first fastening device; 1011. a first upper fixing surface; 1012. a first fixing surface; 1013. a first lower fixing surface; 1014. a first slot; 2. a movable baffle; 201. a second fastening device; 2011. a second upper fixing surface; 2012. a second fastening surface; 2013. a second lower stationary surface; 2014. a second slot; 3. a slideway; 4. an oil cylinder; 5. a fixed block; 6. a test piece; 601. a wedge block; 602. anchoring the reinforcing steel bars; 7. a horizontal pump; 8. a fixed mount; 801. a support pillar; 802. a support rod.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1 to 5, the present embodiment provides a device for measuring assembly tolerance of a bridge expansion joint, including a pedestal and a test piece 6, where the pedestal includes a fixing frame 8, the test piece 6 includes an anchoring steel bar 602, a fixing baffle 1 is disposed at an upper end portion of an inner side of the fixing frame 8, and fixing blocks 5 are disposed at two ends of an upper end portion of an outer side of the fixing frame 8; the position that lies in between fixed stop 1 and fixed block 5 on the mount 8 is equipped with adjustable fender 2, one side that adjustable fender 2 kept away from fixed stop 1 is equipped with hydro-cylinder 4, hydro-cylinder 4 links to each other with horizontal pump 7. During measurement, the horizontal pump 7 drives the oil cylinder 4 to work, the oil cylinder 4 drives the movable baffle 2 to move inwards or outwards, and then extrusion or stretching of the test piece 6 is achieved, and measurement of assembly tolerance of the test piece 6 is completed.

The mount 8 includes four support columns 801, and four support columns 801's top end to end forms the rectangle frame, equidistant two spinal branch vaulting poles 802 of having erect between two long limits of rectangle frame, slide 3 is placed to the one end that is close to fixed stop 1 of two spinal branch vaulting poles 802 and two minor faces of rectangle frame.

Four slideways 3 are arranged between the fixed baffle 1 and the movable baffle 2, and the four slideways 3 are uniformly distributed at intervals; wherein, two slideways 3 are arranged on two short sides of the rectangular frame, and two slideways are arranged on the support rod 802.

Two groups of fixing devices are arranged between two adjacent slideways 3, and comprise a first fixing device 101 formed on the fixed baffle plate 1 and a second fixing device 201 formed on the movable baffle plate 2. The first fixed connection device 101 and the second fixed connection device 201 are arranged oppositely in pairs; a first slot 1014 is formed in the first fixing device 101, a second slot 2014 is formed in the second fixing device 201, and the first slot 1014 and the second slot 2014 are respectively matched with the anchoring steel bars 602 on the two sides of the test piece 6.

The first fixing device 101 includes a first upper fixing surface 1011, a first fixing surface 1012, and a first lower fixing surface 1013; the first upper fixing surface 1011 is welded and fixed with the upper surface of the fixed baffle 1; the first lower fixing surface 1013 is welded and fixed with the lower surface of the fixed baffle 1; an insertion space is formed between the first fastening surface 1012 and the side surface of the fixed baffle 1. The insertion space is used for inserting the anchoring steel bar 602 on one side of the test piece 6.

The second fixing device 201 comprises a second upper fixing surface 2011, a second fixing surface 2012 and a second lower fixing surface 2013; the second upper fixing surface 2011 is welded and fixed with the upper surface of the movable baffle 2; the second lower fixing surface 2013 is fixedly welded with the lower surface of the movable baffle plate 2; an insertion space is formed between the second fastening surface 2012 and the side surface of the flapper 2. The insertion space is used for inserting the anchoring steel bar 602 at the other side of the test piece 6.

In the embodiment, the first fixing device 101, the second fixing device 201 and the anchoring steel bar 602 of the test piece 6 are matched to clamp and fix the test piece 6, so that the structure of the device for fixing the expansion joint in the measurement test is greatly simplified.

The first slot 1014 is formed on the side of the first fastening device 101 facing the movable baffle 2; the second slot 2014 is formed on the side of the second fastening device 201 facing the fixed baffle 1. The first slot 1014 and the second slot 2014 are arranged oppositely, so that the anchoring steel bars 602 on the two sides of the test piece 6 can be conveniently inserted and fixed.

The first slot 1014 and the second slot 2014 are each configured with a retaining pin. First slot 1014 and second slot 2014 are hollow grooves, and anchor reinforcing bar 602 inserts the back, inserts and is formed with the through-hole between the front end and the rigid coupling face of the anchor reinforcing bar 602 in the device of considering to be clean, inserts the fixed pin through-hole, realizes anchor reinforcing bar 602 and rigid coupling device's fixed connection.

And one end parts of the side surfaces of the first slot 1014 and the second slot 2014 are respectively provided with an annular stop which is matched with the fixing pin. The fixing pin is an L-shaped bolt, and the L-shaped bolt is inserted from one end far away from the annular stop block, passes through a through hole formed by the anchoring reinforcing steel bar 602 and then penetrates through the annular stop block. The annular stop block plays a role in fixing the L-shaped bolt.

And L-shaped baffles are arranged at two end parts of the slide way 3, and the heights of the L-shaped baffles are greater than that of the slide way 3. This arrangement prevents the test piece 6 from slipping off the slide 3 when the test piece 6 is stretched.

Two oil cylinders 4 are arranged and are respectively positioned at the end parts of two sides of the fixed frame 8; an output shaft of the oil cylinder 4 is connected with the outer side of the movable baffle 2, and one end, far away from the output shaft, of the oil cylinder 4 is fixedly connected with the fixed block 5. One side of the fixing frame 8, which is far away from the fixing baffle 1, is provided with an air inlet valve seat and an air outlet valve seat, the air inlet valve seat is connected with the air inlet end of the oil cylinder 4, and the air outlet valve seat is connected with the air outlet end of the oil cylinder 4.

The horizontal pump 7 is provided with a support base which is disposed at an intermediate position on one side of the pedestal.

The anchoring steel bars 602 are fixed on both sides of the test piece 6 through wedge blocks 601.

The position of the fixed block 5 on the pedestal fixing frame 8 is adjustable.

The utility model discloses a theory of operation is: fixing a pedestal, a test piece 6, an oil cylinder 4 and a horizontal pump 7, connecting the oil cylinder 4 with the horizontal pump 7, and fixedly connecting an output shaft of the oil cylinder 4 with the movable baffle plate 2 through bolts; fixedly connecting the anchoring steel bar 602 on one side of the test piece 6 with the first fixedly connecting device 101 on the fixed baffle 1, and fixedly connecting the anchoring steel bar 602 on the other side of the test piece 6 with the second fixedly connecting device 201 on the movable baffle 2; and starting the horizontal pump 7, driving the oil cylinder 4 to work by the horizontal pump 7, driving the movable baffle 2 to move outwards or inwards by the oil cylinder 4, stretching the test piece 6 to a maximum opening state or extruding the test piece to a minimum opening state, and measuring the assembly tolerance by tools such as a level meter and the like.

In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; these modifications and substitutions do not depart from the essence of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The bridge expansion joint assembly tolerance measuring device comprises a pedestal and a test piece, wherein the pedestal comprises a fixing frame, and the test piece comprises an anchoring steel bar; a movable baffle is arranged on the fixed frame between the fixed baffle and the fixed block, an oil cylinder is arranged on one side of the movable baffle, which is far away from the fixed baffle, and the oil cylinder is connected with a horizontal pump; a plurality of slideways are arranged between the fixed baffle and the movable baffle and are uniformly distributed at intervals; a plurality of groups of fixed connection devices are arranged between two adjacent slideways, and each group of fixed connection devices comprises a first fixed connection device formed on the fixed baffle and a second fixed connection device formed on the movable baffle, and the first fixed connection devices and the second fixed connection devices are arranged in pairs in an opposite manner; the first fixedly connecting device is provided with a first slot, the second fixedly connecting device is provided with a second slot, and the first slot and the second slot are respectively matched with the anchoring steel bars on the two sides of the test piece.

2. The bridge expansion joint assembly tolerance measuring device of claim 1, wherein there are four of the slideways, and two sets of fastening devices are provided between two adjacent slideways.

3. The bridge expansion joint assembly tolerance measuring device of claim 1, wherein the first fastening device comprises a first upper fastening surface, a first fastening surface and a first lower fastening surface; the first upper fixing surface is fixedly welded with the upper surface of the fixing baffle; the first lower fixing surface is welded and fixed with the lower surface of the fixing baffle; an insertion space is formed between the first fixing surface and the side surface of the fixing baffle.

4. The bridge expansion joint assembly tolerance measuring device of claim 1, wherein the second fastening device comprises a second upper fastening surface, a second fastening surface and a second lower fastening surface; the second upper fixing surface is welded and fixed with the upper surface of the movable baffle; the second lower fixing surface is fixedly welded with the lower surface of the movable baffle; an insertion space is formed between the second fixing surface and the side surface of the movable baffle.

5. The bridge expansion joint assembly tolerance measuring device of claim 1, wherein the first slot is formed on a side surface of the first fastening device facing the movable baffle; the second slot is formed on the side surface of the second fixed connection device facing the fixed baffle.

6. The bridge expansion joint assembly tolerance measurement device of claim 1, wherein the first slot and the second slot are each configured with a retaining pin.

7. The apparatus of claim 6, wherein the first slot and the second slot have annular stops at one end of the side thereof, the annular stops being adapted to the fixing pins.

8. The bridge expansion joint assembly tolerance measuring device of claim 1, wherein the two ends of the slideway are provided with L-shaped baffles, and the heights of the L-shaped baffles are greater than the heights of the slideway.

9. The bridge expansion joint assembly tolerance measuring device of claim 1, wherein two oil cylinders are provided, and are respectively positioned at the end parts of two sides of the fixing frame; the output shaft of the oil cylinder is connected with the outer side of the movable baffle, and one end, far away from the output shaft, of the oil cylinder is fixedly connected with the fixed block.

10. The bridge expansion joint assembly tolerance measuring device of claim 1, wherein the horizontal pump is provided with a support base disposed at a middle position on one side of the pedestal.