CN210151534U

CN210151534U - Device for detecting landing area of rear wheel of road surface deflection vehicle

Info

Publication number: CN210151534U
Application number: CN201920584597.7U
Authority: CN
Inventors: 章永峰
Original assignee: JIAXING CONSTRUCTION ENGINEERING QUALITY DETECTION Co Ltd
Current assignee: JIAXING CONSTRUCTION ENGINEERING QUALITY DETECTION Co Ltd
Priority date: 2019-04-26
Filing date: 2019-04-26
Publication date: 2020-03-17
Anticipated expiration: 2029-04-26

Abstract

The utility model discloses a road surface deflection car rear wheel area detection device that lands relates to engineering check out test set, aims at solving current test car rear wheel and lands the area detection and need jack-up rear wheel, the inconvenient problem of operation, and its technical scheme main points are: the device comprises a support and a contour drawing mechanism, wherein the support comprises four guide rods which are close to each other end to end and a connecting slide block used for connecting the four guide rods with each other, two through grooves which are matched with the guide rods and are positioned on different horizontal planes are formed in the connecting slide block, the vertical projections of the two through grooves are mutually vertical, the end parts of the through grooves are of an open structure, the end parts of the guide rods penetrate into the through grooves and are connected with the connecting slide block in a sliding manner, a detachable locking slide block is connected onto the guide rods in a sliding manner along the length direction, and the contour drawing mechanism is connected to the locking. The utility model discloses a road surface deflection car rear wheel area detection device that lands can make things convenient for the staff to calculate the rear wheel area that lands to the result of use is better.

Description

Device for detecting landing area of rear wheel of road surface deflection vehicle

Technical Field

The utility model relates to an engineering check out test set, more specifically say, it relates to a road surface deflection car rear wheel area detection device that lands.

Background

The deflection test is based on the control detection of roadbed construction of express way and the like, the detected deflection value is the deformation of the roadbed/road surface before and after the load roadbed/road surface, and 1/100 mm is used as a calculation unit.

In the deflection test, the landing area of the rear wheel of the test vehicle needs to be calculated. The existing operation mode is as follows: jacking the rear wheel of the test vehicle by using a jack on a test road surface, laying a piece of clean checkered paper or white paper below the tire, lightly putting the tire to press a tire print on the paper, then jacking the rear wheel again, taking out the paper and calculating the tire print area on the paper.

Although the above-mentioned operation method can calculate the rear wheel landing area, the operation steps are relatively complicated and inconvenient, and the use effect is not good, so a new solution is needed to solve the problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a road surface deflection car rear wheel area detection device that lands can make things convenient for the staff to calculate the rear wheel area that lands to the result of use is better.

The above technical purpose of the present invention can be achieved by the following technical solutions: the support comprises four guide rods which are close to each other end to end and a connecting slide block which is used for connecting the four guide rods with each other, two through grooves which are matched with the guide rods and are positioned on different horizontal planes are formed in the connecting slide block, the vertical projections of the two through grooves are mutually vertical, the end parts of the two through grooves are of an open structure, the end parts of the guide rods penetrate through the through grooves and are connected with the connecting slide block in a sliding mode, a detachable locking slide block is connected to the guide rods in a sliding mode along the length direction, and the contour drawing mechanism is connected to the locking slide block.

By adopting the technical scheme, after the test vehicle moves to the test position, a worker can connect a plurality of guide rods and the sliding blocks to form a frame-shaped structure to surround the rear wheel of the test vehicle, then move the locking sliding blocks on the guide rods, and draw the landing edge of the rear wheel of the test vehicle by using the contour drawing mechanism on the locking sliding blocks so as to draw the contour of the landing surface for calculating the area; according to the operation, the utility model discloses do not need to jack up the car rear wheel repeatedly at the in-process of area that lands of calculation test car rear wheel, so the operation is convenient relatively, and the result of use is better.

The utility model discloses further set up to: the end part of the guide rod is in threaded connection with a support leg which extends vertically and downwards.

By adopting the technical scheme, the bracket is erected at the test position through the support legs; meanwhile, the support legs are in threaded connection with the guide rod, so that the support legs can be conveniently installed and detached, and the connection sliding blocks and the guide rod are prevented from being interfered in installation and detachment.

The utility model discloses further set up to: the lower ends of the supporting legs are in a cone shape with a downward cone tip.

Through adopting above-mentioned technical scheme, the actual area occupied of the lower extreme of stabilizer blade is littleer, so its adaptable more diversified road surface, and can strengthen the fixed effect of support through the mode of inserting in the road surface when necessary.

The utility model discloses further set up to: and the middle sections of the guide rods positioned on the two sides of the rear wheel of the test vehicle are fixedly connected with abutting rods, and the abutting rods extend towards the rear wheel of the test vehicle.

By adopting the technical scheme, the guide rod can keep a proper distance from the rear wheel of the test vehicle relatively conveniently so as to lock the sliding block to drive the contour drawing mechanism to move on the guide rod.

The utility model discloses further set up to: one end of the abutting rod, which is far away from the guide rod, is fixed with an elastic abutting block.

Through adopting above-mentioned technical scheme, can reduce the damage of butt pole to the car rear wheel, simultaneously because the butt piece has elasticity, so utilize its butt car rear wheel more laminating, actual effective area is bigger.

The utility model discloses further set up to: the locking sliding block comprises two sub-locking blocks which are mutually abutted, the opposite end faces of the two sub-locking blocks are respectively provided with a clamping column and a clamping hole matched with the clamping column, the opposite end faces of the two sub-locking blocks are respectively provided with a sub-locking groove, the opposite sides and the end parts of the two sub-locking grooves are open, the side opening edges of the two sub-locking grooves are abutted to form a locking groove matched with the guide rod, and the contour drawing mechanism is fixed on one sub-locking block.

By adopting the technical scheme, a worker can place the guide rod between the two sub-locking blocks, then connect and fix the two sub-locking blocks by inserting the insertion rod into the clamping hole, and place the guide rod in the locking groove so as to realize the sliding connection of the locking blocks and the guide rod; because the two sub-locking blocks are fixed through insertion, workers can conveniently assemble and disassemble the sub-locking blocks so as to move the sub-locking blocks from one guide rod to the other guide rod, and a contour drawing mechanism connected with the locking sliding blocks can conveniently finish drawing work.

The utility model discloses further set up to: the contour drawing mechanism comprises a fixed rod and a drawing edge assembly connected with the fixed rod, the fixed rod is a telescopic rod and extends downwards, and the drawing edge assembly is longitudinally hinged to the lower end of the fixed rod.

Through adopting above-mentioned technical scheme, the staff can adjust the length of fixed pole according to actual test condition, adjusts the angle of drawing the limit subassembly, makes it can adapt to different test conditions, thereby the utility model discloses an suitability is stronger.

The utility model discloses further set up to: the painting assembly includes a pen or a nozzle for spraying a medium with a color.

Through adopting the technical scheme, the utility model discloses a can spray the shower nozzle of taking colour coating with the pen and accomplish the contour drawing work.

To sum up, the utility model discloses following beneficial effect has: the test vehicle is provided with a bracket which surrounds the rear wheel of the test vehicle, and the bracket is connected with a contour drawing mechanism in a sliding manner; when the device is used, a worker moves the contour drawing mechanism to move around the rear wheel of the test vehicle and does ground edge drawing work so as to draw the contour of the ground, so that area calculation is convenient to perform subsequently; because the staff no longer need jack up the test car rear wheel repeatedly this moment, so use more convenient.

Drawings

Fig. 1 is a schematic structural view of the present invention, showing the overall structure;

FIG. 2 is a structural view of the connecting block of the present invention;

fig. 3 is a structural view of the outline drawing mechanism of the present invention.

In the figure: 11. a guide rod; 12. connecting the sliding block; 121. a through groove; 13. a support leg; 14. a butting rod; 15. a butting block; 2. a contour drawing mechanism; 21. fixing the rod; 22. a drawing edge component; 221. mounting a plate; 222. a side plate; 223. a rotating shaft; 224. connecting sleeves; 3. locking the sliding block; 31. a sub-locking block; 32. a clamping column; 33. a clamping hole; 34. a locking groove; 341. the sub-locking groove.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

The device for detecting the landing area of the rear wheel of the road surface deflection vehicle, referring to fig. 1, comprises a bracket and a contour drawing mechanism 2 arranged on the bracket. The support comprises four guide rods 11 which are close to each other end to end, and the four guide rods 11 are matched with each other to form a frame-shaped structure to surround the rear wheel of the test vehicle. The contour drawing mechanism 2 slides along each guide rod 11 to draw the contour of the rear wheel landing along the boundary edge of the rear wheel of the test vehicle and the road surface. The rear wheel is not required to be jacked up repeatedly by a jack, so that the use is relatively convenient.

Referring to fig. 1 and 2, in order to connect a plurality of guide rods 11 to each other, a connection slider 12 is provided; the number of the connecting sliding blocks 12 is four, and the four connecting sliding blocks correspond to four corner positions of the support respectively.

Two through grooves 121 matched with the guide rods 11 are transversely formed in the connecting slide block 12, and the end parts of the through grooves 121 are of open structures; the vertical projections of the two through slots 121 are perpendicular to each other and located at different horizontal planes.

The end parts of the two adjacent guide rods 11 respectively penetrate into the through grooves 121 of the same connecting slide block 12 and are connected in a sliding manner; the four guide rods 11 are inserted into the corresponding through grooves 121 on the connecting sliding blocks 12 in sequence to complete the connection and fixation.

Because the connecting slide block 12 is connected with the guide rod 11 in a sliding manner, the actual size of the bracket can be correspondingly adjusted according to the size of the rear wheel of the test vehicle, and the bracket has stronger applicability.

Referring to fig. 1, in order to quickly erect the bracket in use, a leg 13 extending vertically downward is fixed at the end of the guide rod 11, and the support fixing of the bracket is completed by the mutual matching of a plurality of legs 13. Since the frame structure formed by the guide rods 11 needs to be opened first when the support encloses the rear wheels of the test car, the support legs 13 are configured to be detachably connected to the guide rods 11 to facilitate this step.

The support legs 13 are columnar, and the upper ends of the support legs are threaded columnar; the end of the guide rod 11 is provided with a screw hole adapted to the end of the guide rod, and the support leg 13 is connected and fixed with the guide rod 11 in a threaded manner.

In order to ensure the supporting effect of the supporting legs 13, the lower ends of the supporting legs 13 are further arranged to be conical with downward conical tips, and the supporting legs 13 can adapt to various road surfaces, so that the using effect is better.

Referring to fig. 1, since the contouring mechanism 2 needs to slide along the guide rods 11 during use, the guide rods 11 must not directly contact the rear wheels of the test car after the mounting of the stand, and in order to ensure that the stand is placed in a proper position with respect to the rear wheels of the test car, the middle point of two of the guide rods 11 is fixedly connected with the abutment rod 14, and the abutment rod 14 extends toward the center side of the stand. The guide rod 11 with the abutting rod 14 fixed is placed on the side of the rear wheel of the test vehicle during use, and the end of the abutting rod 14 far away from the guide rod 11 extends towards the rear wheel of the test vehicle.

An abutment block 15 is fixed to an end of the abutment rod 14 remote from the guide rod 11, and the abutment block 15 is made of rubber. The setting of butt piece 15 can increase the actual butt area of butt pole 14 to the wheel, optimizes the butt effect to prevent to damage the wheel.

Referring to fig. 1 and 3, in order to connect the contouring mechanism 2 to the guide bar 11, the lock slider 3 is slidably connected to the guide bar 11 in the longitudinal direction, and the contouring mechanism 2 is fixed to the lock slider 3.

The locking sliding block 3 comprises two sub-locking blocks 31 which are mutually abutted, clamping columns 32 and clamping holes 33 are respectively fixed on the opposite end faces of the two sub-locking blocks 31, and the two sub-locking blocks 31 are fixed in a mode that the clamping columns are inserted into the corresponding clamping holes 33.

In order to make the locking slide block 3 and the guide rod 11 connected in a sliding manner, the opposite end surfaces of the two sub-locking blocks 31 are respectively provided with a sub-locking groove 341, and the opposite sides and the ends of the two sub-locking grooves 341 are both in an open structure; the two sub-locking grooves 341 are parallel, and the side opening edges abut to form the locking groove 34 matching with the guide rod 11. After the two sub-locking blocks 31 are connected to each other, the guiding rod 11 is placed in the locking groove 34 and connected in a sliding manner to complete the installation and fixation.

Referring to fig. 1 and 3, the contouring mechanism 2 includes a fixing bar 21 and a delineating edge assembly 22. The fixed rod 21 is an expansion link, which comprises a fixed rod fixed on the lower part of one sub-locking block 31 and a movable rod vertically connected with the fixed rod in a sliding manner, and the expansion link is in threaded connection with a positioning bolt for fixing the fixed rod 21.

The edge-drawing component 22 can be selected from a pen or a nozzle, and the pen is preferably a relatively thick pen such as a marking pen; the spray head preferably has a fan-shaped spraying effect; the edge painting assembly 22 further comprises a mounting plate 221, a threaded hole is formed in the mounting plate 221, and the lower end of the fixing rod 21 is in a threaded column shape, namely the mounting plate 221 is in threaded connection with the lower end of the fixing rod 21. Two transversely symmetrical side plates 222 are fixed at the lower part of the mounting plate 221, a rotating shaft 223 is arranged between the two side plates 222, and the end part of the rotating shaft 223 is rotatably connected with the side plates 222. A connecting sleeve 224 is fixed on the edge painting assembly 22, and the connecting sleeve 224 is sleeved on the rotating shaft 223.

The use process comprises the following steps:

1. firstly, driving a test vehicle to a specified area of a test road surface by a worker;

2. the guide rod 11 and the connecting slide block 12 are mutually connected to form a bracket to surround the rear wheel of the test vehicle and are arranged through a support leg 13, so that the abutting rod 14 abuts against the side surface of the rear wheel of the test vehicle through an abutting block 15;

3. the locking groove 34 is used for clamping a certain guide rod 11, so that the locking slide block 3 is connected with the guide rod 11 in a sliding way;

4. the length of the fixed rod 21 is adjusted, and the edge drawing component 22 (a pen or a nozzle connected with a transfusion tube) is rotated, so that the action end (output end) of the edge drawing component can just draw the boundary edge of the rear wheel and the road surface of the test vehicle;

5. driving the locking block 3 to move along the guide rod 11, and operating the edge drawing assembly 22 to draw the outline of the ground of the rear wheel of the test vehicle; mounting and dismounting the locking block 3 relative to the guide rod 11 for multiple times so as to draw a complete outline; and (5) moving the subsequent test vehicle away, and calculating the landing area of the rear wheel by the working personnel.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a road surface deflection car rear wheel area detection device that lands which characterized in that: the device comprises a support for enclosing a rear wheel of the test vehicle and a contour drawing mechanism (2) for drawing the contour of the ground where the rear wheel of the test vehicle contacts the ground, wherein the support comprises four guide rods (11) which are close to each other end to end and a connecting slide block (12) for connecting the four guide rods (11) with each other, two through grooves (121) which are matched with the guide rods (11) and are positioned on different horizontal planes are formed in the connecting slide block (12), the vertical projections of the two through grooves (121) are mutually vertical, the end parts of the two through grooves are of an open structure, the end parts of the guide rods (11) penetrate through the through grooves (121) and are connected with the connecting slide block (12) in a sliding manner, a detachable locking slide block (3) is connected onto the guide rods (11) in a sliding manner along the length direction, and the.

2. The road surface deflection vehicle rear wheel land area detection device according to claim 1, characterized in that: the end part of the guide rod (11) is in threaded connection with a support leg (13) extending vertically downwards.

3. The road surface deflection vehicle rear wheel land area detection device according to claim 2, characterized in that: the lower end of the supporting leg (13) is conical with the conical tip downwards.

4. The road surface deflection vehicle rear wheel land area detection device according to claim 1, characterized in that: and the middle sections of the guide rods (11) positioned at the two sides of the rear wheel of the test vehicle are fixedly connected with butting rods (14), and the butting rods (14) extend towards the rear wheel of the test vehicle.

5. The road surface deflection vehicle rear wheel land area detection device according to claim 4, characterized in that: an elastic abutting block (15) is fixed at one end of the abutting rod (14) far away from the guide rod (11).

6. The road surface deflection vehicle rear wheel land area detection device according to claim 1, characterized in that: the locking sliding block (3) comprises two sub-locking blocks (31) which are mutually abutted, the opposite end faces of the two sub-locking blocks (31) are respectively provided with a clamping column (32) and a clamping hole (33) matched with the clamping column (32), the opposite end faces of the two sub-locking blocks (31) are respectively provided with a sub-locking groove (341), the opposite sides and the ends of the two sub-locking grooves (341) are open, the side opening edges of the two sub-locking grooves are abutted to form a locking groove (34) matched with the guide rod (11), and the contour drawing mechanism (2) is fixed on one sub-locking block (31).

7. The road surface deflection vehicle rear wheel land area detection device according to claim 6, characterized in that: the contour drawing mechanism (2) comprises a fixing rod (21) and a drawing edge assembly (22) connected with the fixing rod (21), the fixing rod (21) is a telescopic rod and extends downwards, and the drawing edge assembly (22) is longitudinally hinged to the lower end of the fixing rod (21).

8. The road surface deflection vehicle rear wheel land area detection device according to claim 7, characterized in that: the edge painting assembly (22) comprises a pen or a spray head for spraying media with a color.