CN214372427U - Level measurement device for highway maintenance - Google Patents

Abstract

The utility model relates to a level measuring device for highway maintenance, including leg of moving away to avoid possible earthquakes, fixed block and measuring box body, all fixedly connected with the connecting pipe on the relative inboard of two fixed blocks, two connecting pipes overlap respectively on the both ends of measuring box body, all install two sets of fixed subassemblies that are used for connecting the measuring box body in each connecting pipe, each set of fixed subassembly includes solid fixed ring, flexure strip and butt piece, solid fixed ring fixed connection is in the inner peripheral surface of connecting pipe, the flexure strip fixed connection is in solid fixed ring, butt piece fixed connection is in the inboard of flexure strip, and butt piece butt in the lateral wall of measuring box body; two ends of the measuring box body are provided with pushing components used for driving the two elastic pieces in the same connecting pipe to be close to each other. This application has and is convenient for install the both ends of measuring the case body on two fixed blocks, and is convenient for dismantle the effect of measuring the case body from two fixed blocks simultaneously.

Description

Level measurement device for highway maintenance

Technical Field

The application relates to the technical field of highway maintenance, in particular to a horizontal measuring device for highway maintenance.

Background

The level measuring devices for highway maintenance in the market at present are various, but generally have the defect of inconvenient detection, and general maintenance personnel need to hold the digital display level bar all the time when measuring, but cannot accurately adjust the levelness of the digital display level bar.

The related technology can refer to the Chinese utility model patent with the publication number of CN211312120U, which discloses a level measuring device for highway maintenance, comprising two shock-proof legs, a fixed block is fixedly arranged at the top of the shock-proof leg, a measuring box body is fixedly arranged between the opposite sides of the two fixed blocks, mounting plates are fixedly arranged at the left and right sides of the inner part of the measuring box body, a positioning block is fixedly arranged at the opposite side of the two mounting plates, a telescopic spring is fixedly arranged in the positioning block, buffer blocks are fixedly arranged at the top and the bottom of the positioning block at the opposite side of the two mounting plates, movable openings are respectively arranged at the left and right sides of the top and the bottom of the measuring box body, a limiting block is fixedly arranged at the bottom of the measuring box body, a limiting groove is arranged at the top of the limiting block, movable rods are fixedly arranged at the opposite sides of the two telescopic springs and positioned in the movable openings and the limiting groove, the top fixed mounting of movable rod has the shifting block, and the locating lever is installed at the center at measuring box body top, and the equal fixed mounting in one side that two movable rods are relative has the cutting ferrule, and the draw-in groove has all been seted up to one side that two cutting ferrules are relative, and the inside of measuring box body just is located movable mounting between two cutting ferrules and has the spin.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when needs remove or transport level measurement device, because measuring case body fixed mounting need remove two leg and the measuring case body of moving away to avoid possible earthquakes simultaneously between two fixed blocks to be not convenient for remove the transportation with measuring the case body after dismantling from two fixed blocks.

SUMMERY OF THE UTILITY MODEL

For the convenience of making the both ends of measuring the case body install on two fixed blocks, and be convenient for simultaneously dismantle from two fixed blocks and measure the case body, this application provides a level measuring device for highway maintenance.

The application provides a horizontal measuring device is used in highway maintenance adopts following technical scheme:

a level measuring device for highway maintenance comprises shock-absorbing legs, fixed blocks and a measuring box body, wherein connecting pipes are fixedly connected to the opposite inner sides of the two fixed blocks, the two connecting pipes are respectively sleeved at the two ends of the measuring box body, two groups of fixed assemblies used for connecting the measuring box body are installed in each connecting pipe, each group of fixed assemblies comprises a fixed ring, an elastic sheet and a butting block, the fixed ring is fixedly connected to the inner peripheral surface of the connecting pipe, the elastic sheet is fixedly connected to the fixed ring, the butting block is fixedly connected to the inner side of the elastic sheet, and the butting block is butted against the outer side wall of the measuring box body; two ends of the measuring box body are respectively provided with a pushing component for driving two elastic sheets in the same connecting pipe to be close to each other

By adopting the technical scheme, in order to facilitate the installation of the two ends of the measuring box body on the two fixed blocks and the disassembly of the measuring box body from the two fixed blocks, in the process of installing the measuring box body, the measuring box body is moved firstly, so that the two connecting pipes are sleeved on the measuring box body, then the two elastic pieces positioned in the same connecting pipe are pushed to be close to each other by the pushing assembly, the two elastic pieces are close to each other to drive the two abutting blocks to be close to each other, so that the abutting blocks abut against the outer side wall of the measuring box body, and the aim of fixedly installing the measuring box body is fulfilled; when the measuring box body is disassembled, the effect of the pushing assembly on the two elastic pieces is firstly released, and at the moment, under the elastic action of the elastic pieces, the two elastic pieces move towards the direction away from each other, so that the two ends of the measuring box body can be moved, the aim of disassembling the measuring box body from the two fixed blocks is fulfilled, and the effects of facilitating transportation and moving the horizontal measuring device are further achieved.

Preferably, the pushing assembly comprises a moving pipe and a pushing pipe, the moving pipe is sleeved on the measuring box body, the moving pipe is connected to the connecting pipe in a threaded mode, the pushing pipe is fixedly connected to the inner side wall of the moving pipe, and the pushing pipe is abutted to the outer sides of the two elastic pieces.

Through adopting above-mentioned technical scheme, for the ease of promoting two elastic sheets and being close to each other, move the removal pipe through twisting, move the in-process that removes the pipe twisting, owing to remove a pipe thread connection in the connecting pipe for remove the pipe and move to the direction that is close to the connecting pipe, remove the pipe and remove and drive the removal of push pipe, push pipe removes and contacts with the outside of two elastic sheets, thereby reaches the purpose that promotes two elastic sheets and be close to each other.

Preferably, the inner side wall of the tube of the pusher tube is gradually reduced from a side close to the fixing ring to a side far from the fixing ring.

By adopting the technical scheme, the inner diameter of the tube of the pushing tube is changed, so that the pushing tube pushes the two elastic pieces to be close to each other, the contact area of the pushing tube between the two elastic pieces can be increased, the abrasion between the elastic pieces and the pushing tube can be reduced, and the purpose of prolonging the service lives of the elastic pieces and the pushing tube is achieved.

Preferably, the measuring box body is fixedly connected with a first limiting ring, the inner side wall of the moving pipe far away from one end of the connecting block is fixedly connected with a second limiting ring, and the first limiting ring is located between the second limiting ring and the push pipe.

Through adopting above-mentioned technical scheme, through setting up first spacing ring and second spacing ring, be convenient for reduce and promote the subassembly and take place the possibility of losing.

Preferably, the bottom side of leg of moving away to avoid possible earthquakes is provided with the base, the groove of stepping down has been seted up on the lateral wall of base, it is connected with the bracing piece to rotate on the lateral wall in groove of stepping down, the tip of bracing piece rotates and is connected with the gyro wheel, the inslot of stepping down is provided with the spacing subassembly of fixed support bar.

Through adopting above-mentioned technical scheme, when the leg of moving away to avoid possible earthquakes as needs, drive the gyro wheel through rotating the bracing piece and remove, when the bracing piece rotated to vertical state, gyro wheel on the bracing piece contacted with ground, then through the position of spacing subassembly restriction bracing piece again to reach the purpose of being convenient for move the leg of moving away to avoid possible earthquakes.

Preferably, set up first spout on the lateral wall in groove of stepping down, the through-hole has been seted up on the bracing piece, the second spout has been seted up on the lateral wall of through-hole, spacing subassembly includes stopper, first spring, ejector pad and slider, stopper sliding connection is in first spout, and the stopper pegs graft in the through-hole on the bracing piece, the one end fixed connection of first spring in stopper, other end fixed connection in the tank bottom of first spout, ejector pad sliding connection is in the through-hole, slider sliding connection is in the second spout, and slider fixed connection in ejector pad.

By adopting the technical scheme, in the process of rotating the supporting rod, the limiting block is pushed into the sliding groove, then the supporting rod is moved to a vertical state, the limiting block is aligned with the through hole, and the first spring pushes the limiting block to be inserted into the through hole due to the elastic force of the first spring, so that the aim of limiting the rotation of the supporting rod is fulfilled; when the limit of the limit block on the fixed rod needs to be relieved, the push block is pushed to move, the push block pushes the limit block to move, and the limit block is enabled to move into the first sliding groove, so that the limit effect of the limit block on the support rod is relieved; through setting up the slider on the one hand and being convenient for reduce the ejector pad and take place the possibility of separation with the bracing piece, on the other hand is convenient for reduce the ejector pad and removes the possibility to first spout in.

Preferably, still be provided with the subassembly that resets that lets the bracing piece reset in the groove of stepping down, the subassembly that resets includes arc pole and second spring, arc pole fixed connection is on the lateral wall of the groove of stepping down, bracing piece sliding connection is in the arc pole, the second spring housing is established on the arc pole, the one end fixed connection of second spring in bracing piece, other end fixed connection in the lateral wall of the groove of stepping down.

By adopting the technical scheme, when the supporting rod is pushed to rotate, the supporting rod drives the second spring to move, and the second spring is in a stretched state; when the external force is not applied to the supporting rod any more, the second spring pulls the supporting rod to move due to the elastic force of the second spring, so that the aim of resetting the supporting rod is fulfilled; through setting up the arc pole, be convenient for on the one hand lead the bracing piece, on the other hand is convenient for reduce the in-process that the second spring compressed, and the possibility of skew takes place to other directions for the second spring.

Preferably, one side of the limiting block, which is far away from the first spring, is provided with an inclined plane, and the inclined plane of the limiting block is inclined upwards from one side which is close to the first spring to one side which is far away from the first spring.

Through adopting above-mentioned technical scheme, at the in-process that rotates the bracing piece, the bracing piece contacts with the inclined plane of stopper, because the inclined plane effect of stopper for the bracing piece can promote the stopper and remove to first spout in, thereby can reduce the degree of difficulty that the bracing piece removed to vertical state.

In summary, the present application includes at least one of the following beneficial technical effects:

1. in order to facilitate the installation of the two ends of the measuring box body on the two fixed blocks and the disassembly of the measuring box body from the two fixed blocks, in the process of installing the measuring box body, the measuring box body is moved firstly to enable the two connecting pipes to be sleeved on the measuring box body, then the two elastic pieces in the same connecting pipe are pushed to be close to each other through the pushing assembly, the two elastic pieces are close to each other to drive the two abutting blocks to be close to each other, so that the abutting blocks abut against the outer side wall of the measuring box body, and the aim of fixedly installing the measuring box body is fulfilled; when the measuring box body needs to be disassembled, the action of the pushing assembly on the two elastic pieces is firstly released, and then the two elastic pieces move in the direction away from each other under the action of the elastic force of the elastic pieces, so that the two ends of the measuring box body can be moved, the aim of disassembling the measuring box body from the two fixed blocks is fulfilled, and the effects of facilitating transportation and moving the horizontal measuring device are further achieved;

2. in order to facilitate the two elastic pieces to be pushed to approach each other, the moving pipe is screwed, and in the process of screwing the moving pipe, as the moving pipe is connected with the connecting pipe in a threaded manner, the moving pipe moves towards the direction approaching the connecting pipe, the moving pipe moves to drive the pushing pipe to move, the pushing pipe moves to contact with the outer sides of the two elastic pieces, and therefore the purpose of pushing the two elastic pieces to approach each other is achieved;

3. through changing the pipe internal diameter of the pushing pipe, the pushing pipe can increase the contact area of the pushing pipe between the two elastic pieces in the process of pushing the two elastic pieces to be close to each other, so that the abrasion between the elastic pieces and the pushing pipe can be reduced, and the purpose of prolonging the service lives of the elastic pieces and the pushing pipe is achieved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic view showing the structure of the fixing member and the pushing member in the embodiment of the present application;

fig. 3 is a cross-sectional view of a base in an embodiment of the present application.

Description of reference numerals: 1. a shock-absorbing leg; 11. a fixed block; 12. a base; 121. a yielding groove; 122. a first chute; 2. a measuring box body; 21. connecting grooves; 22. a first limit ring; 3. a connecting pipe; 31. a base plate; 32. connecting blocks; 4. a fixing assembly; 41. a fixing ring; 42. an elastic sheet; 43. a butting block; 5. a pushing assembly; 51. moving the tube; 52. pushing the pipe; 53. a second stop collar; 6. a support bar; 61. a roller; 62. a through hole; 63. a second chute; 7. a limiting component; 71. a limiting block; 72. a first spring; 73. a push block; 74. a slider; 8. a reset assembly; 81. an arcuate bar; 82. a second spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses level measuring device is used in highway maintenance, as shown in fig. 1, including measuring case body 2, leg 1 and the fixed block 11 of moving away to avoid possible earthquakes, leg 1 of moving away to avoid possible earthquakes has two, and fixed block 11 also has two, and two fixed blocks 11 are fixed connection in the top of two legs 1 of moving away to avoid possible earthquakes respectively. The two ends of the measuring box body 2 are detachably connected to the two fixing blocks 11.

As shown in fig. 1 and 2, two opposite sides of the two fixing blocks 11 are fixedly connected with connecting pipes 3, and the two connecting pipes 3 are respectively sleeved at two ends of the measuring box body 2. Two equal fixedly connected with bottom plates 31 of inside wall of the one end of keeping away from each other of connecting pipe 3, and two bottom plates 31 respectively with two 11 fixed connection of fixed block. Equal fixedly connected with connecting block 32 on two bottom plates 31, two connecting blocks 32 all are rectangle massive structure, have all seted up spread groove 21 on the terminal surface at the both ends of measuring case body 2, and two connecting blocks 32 are pegged graft respectively in two spread grooves 21. By arranging the two connecting blocks 32, the function of pre-positioning the measuring box body 2 is achieved.

As shown in fig. 1 and 2, two sets of fixing assemblies 4 for connecting the measuring box body 2 are disposed in each connecting pipe 3, each set of fixing assembly 4 includes a fixing ring 41, an elastic sheet 42 and a butt block 43, the fixing ring 41 is in a semicircular plate structure, and the fixing ring 41 is fixedly connected to the inner side wall of the connecting pipe 3. The elastic piece 42 is made of spring steel, the elastic piece 42 is fixedly connected to the fixing ring 41, the abutting block 43 is a semicircular plate-shaped structure made of rubber, the abutting block 43 is fixedly connected to the inner side of the elastic piece 42, and the abutting block 43 abuts against the outer side wall of the measuring box body 2.

As shown in fig. 1 and 2, two ends of the measurement box body 2 are provided with pushing assemblies 5 for driving the two elastic pieces 42 to approach each other, each pushing assembly 5 includes a moving pipe 51 and a pushing pipe 52, the moving pipe 51 is sleeved on the measurement box body 2, and the moving pipe 51 is in threaded connection with the connecting pipe 3. The push pipe 52 is fixedly connected to the inner side wall of the moving pipe 51, the inner diameter of the push pipe 52 is gradually reduced from the side close to the fixed ring 41 to the side far from the fixed ring 41, and the inner side wall of the push pipe 52 abuts against the outer sides of the two elastic pieces 42. In the process of screwing the movable tube 51, the movable tube 51 is in threaded connection with the connecting tube 3, so that the movable tube 51 moves towards the direction close to the connecting tube 3, the movable tube 51 moves to drive the pushing tube 52 to move, the pushing tube 52 moves to contact with the outer sides of the two elastic pieces 42, and the purpose of pushing the two elastic pieces 42 to be close to each other is achieved.

By changing the inner diameter of the pushing tube 52, the contact area of the pushing tube 52 between the two elastic pieces 42 can be increased in the process that the pushing tube 52 pushes the two elastic pieces 42 to approach each other, so that the abrasion between the elastic pieces 42 and the pushing tube 52 can be reduced, and the purpose of prolonging the service lives of the elastic pieces 42 and the pushing tube 52 is achieved.

As shown in fig. 1 and 2, a first limiting ring 22 is fixedly connected to the outer side wall of the measuring box body 2, the first limiting ring 22 is of a circular plate-shaped structure, the first limiting ring 22 is slidably connected to the inner side wall of the moving pipe 51, a second limiting ring 53 is fixedly connected to the inner side wall of the moving pipe 51 far away from one end of the connecting pipe 3, the second limiting ring 53 is of a circular plate-shaped structure, and the first limiting ring 22 is located between the second limiting ring 53 and the push pipe 52. By providing the first and second stop collars 22, 53, the possibility of losing the pushing assembly 5 is reduced.

As shown in fig. 1 and 3, a base 12 is fixedly connected to the bottom side of each shock absorbing leg 1, two opposite side walls of the base 12 are provided with a yielding groove 121, a supporting rod 6 is rotatably connected to the side wall of the yielding groove 121, one end of the supporting rod 6 is rotatably connected to a roller 61, and a limiting component 7 for limiting the rotation of the supporting rod 6 is arranged on the side wall of the yielding groove 121. When leg 1 of moving to move away to avoid possible earthquakes, drive gyro wheel 61 through rotating bracing piece 6 and remove, when bracing piece 6 rotated to vertical state, gyro wheel 61 on the bracing piece 6 contacted with ground, then spacing subassembly 7 restriction bracing piece 6's position of rethread to reach the purpose of being convenient for move leg 1 of moving to avoid possible earthquakes.

As shown in fig. 1 and 3, a first sliding groove 122 is formed in the side wall of the abdicating groove 121, the limiting component 7 includes a limiting block 71, a first spring 72, a pushing block 73 and a sliding block 74, a through hole 62 for the pushing block 73 to slide is formed in the supporting rod 6, a second sliding groove 63 with an open rectangular shape is formed in the side wall of the through hole 62, the sliding block 74 is in a rectangular block-shaped structure, the sliding block 74 is slidably connected to the second sliding groove 63, and the sliding block 74 is fixedly connected to the pushing block 73. The limiting block 71 is slidably connected to the first sliding groove 122, the limiting block 71 is inserted into and matched with the through hole 62 on the supporting rod 6, and the limiting block 71 abuts against the pushing block 73. The first spring 72 is located in the first sliding slot 122, and one end of the first spring 72 is fixedly connected to the bottom of the first sliding slot 122. The other end is fixedly connected with one side of the limit block 71 far away from the push block 73. The side of the stop block 71 away from the first spring 72 is provided with an inclined surface, and the inclined surface of the stop block 71 is inclined upwards from the side close to the first spring 72 to the side away from the first spring 72. The slider 74 is provided to reduce the possibility of the push block 73 separating from the support rod 6, and to reduce the possibility of the push block 73 moving into the first sliding groove 122.

In the process of rotating the support rod 6, the support rod 6 is in contact with the inclined surface of the limit block 71, due to the inclined surface action of the limit block 71, the support rod 6 can push the limit block 71 to move into the first chute 122, when the support rod 6 moves to a vertical state, the limit block 71 is aligned with the through hole 62, at this time, under the elastic force action of the first spring 72, the first spring 72 pushes the limit block 71 to be inserted into the through hole 62, and therefore the purpose of limiting the rotation of the support rod 6 is achieved; when the limit of the limit block 71 on the fixing rod needs to be released, the push block 73 is pushed to move, the push block 73 moves to push the limit block 71 to move, so that the limit block 71 moves into the first sliding groove 122, and the limit effect of the limit block 71 on the supporting rod 6 is released.

As shown in fig. 1 and 3, the side wall of the abdicating groove 121 is further provided with a resetting component 8 for resetting the support rod 6, the resetting component 8 includes an arc rod 81 and a second spring 82, the arc rod 81 is of a circular arc rod-shaped structure, the arc rod 81 is fixedly connected to the side wall of the abdicating groove 121, the arc rod 81 penetrates through the support rod 6, and the support rod 6 is slidably connected to the arc rod 81. The second spring 82 is sleeved on the arc-shaped rod 81, one end of the second spring 82 is fixedly connected to the support rod 6, and the other end of the second spring 82 is fixedly connected to the top side wall of the abdicating groove 121. When the supporting rod 6 is pushed to rotate, the supporting rod 6 drives the second spring 82 to move, and at the moment, the second spring 82 is in a stretched state; when the external force is not applied to the supporting rod 6 any more, the second spring 82 pulls the supporting rod 6 to move due to the elastic force of the second spring 82, so that the aim of resetting the supporting rod 6 is fulfilled; through setting up arc pole 81, be convenient for on the one hand lead bracing piece 6, on the other hand is convenient for reduce the in-process that second spring 82 compressed, and second spring 82 takes place the possibility of skew to other directions.

The implementation principle of the horizontal measuring device for highway maintenance in the embodiment of the application is as follows: in the process of installing the measuring box body 2, the measuring box body 2 is moved firstly, so that the two connecting pipes 3 are sleeved on the measuring box body 2, then the two elastic pieces 42 positioned in the same connecting pipe 3 are pushed to be close to each other through the pushing assembly 5, the two elastic pieces 42 are close to each other to drive the two abutting blocks 43 to be close to each other, so that the abutting blocks 43 abut against the outer side wall of the measuring box body 2, and the purpose of fixedly installing the measuring box body 2 is achieved; when measuring case body 2 is dismantled to needs, remove earlier the effect that promotes subassembly 5 was to two flexure strips 42, this moment under the spring action of flexure strip 42 for two flexure strips 42 move to the direction of keeping away from each other, thereby can remove the both ends of measuring case body 2, reach and dismantle the purpose of dismantling measuring case body 2 from two fixed blocks 11, and then play the effect of being convenient for transport and removal level measurement device.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a highway is horizontal measuring device for maintenance, includes leg (1), fixed block (11) and measurement case body (2) of moving away to avoid possible earthquakes, its characterized in that: the opposite inner sides of the two fixing blocks (11) are fixedly connected with connecting pipes (3), the two connecting pipes (3) are respectively sleeved at two ends of the measuring box body (2), two groups of fixing assemblies (4) used for being connected with the measuring box body (2) are installed in each connecting pipe (3), each group of fixing assembly (4) comprises a fixing ring (41), an elastic sheet (42) and a butting block (43), the fixing ring (41) is fixedly connected to the inner peripheral surface of the connecting pipe (3), the elastic sheet (42) is fixedly connected to the fixing ring (41), the butting block (43) is fixedly connected to the inner side of the elastic sheet (42), and the butting block (43) butts against the outer side wall of the measuring box body (2); two ends of the measuring box body (2) are provided with pushing components (5) which are used for driving two elastic pieces (42) in the same connecting pipe (3) to be close to each other.

2. The level measuring device for highway maintenance according to claim 1, wherein: the pushing assembly (5) comprises a moving pipe (51) and a pushing pipe (52), the moving pipe (51) is sleeved on the measuring box body (2), the moving pipe (51) is connected to the connecting pipe (3) in a threaded mode, the pushing pipe (52) is fixedly connected to the inner side wall of the moving pipe (51), and the pushing pipe (52) is abutted to the outer sides of the two elastic pieces (42).

3. The level measuring device for highway maintenance according to claim 2, wherein: the inner side wall of the push tube (52) is gradually reduced from the side close to the fixing ring (41) to the side far from the fixing ring (41).

4. The level measuring device for highway maintenance according to claim 3, wherein: the measuring box is characterized in that a first limiting ring (22) is fixedly connected to the measuring box body (2), a second limiting ring (53) is fixedly connected to the inner side wall of one end, away from the connecting block (32), of the moving pipe (51), and the first limiting ring (22) is located between the second limiting ring (53) and the pushing pipe (52).

5. The level measuring device for highway maintenance according to claim 1, wherein: the bottom side of leg (1) of moving away to avoid possible earthquakes is provided with base (12), set up on the lateral wall of base (12) and stepped down groove (121), it is connected with bracing piece (6) to rotate on the lateral wall in groove (121) of stepping down, the tip of bracing piece (6) rotates and is connected with gyro wheel (61), be provided with spacing subassembly (7) of fixed support bar (6) in groove (121) of stepping down.

6. The level measuring device for highway maintenance according to claim 5, wherein: set up first spout (122) on the lateral wall of groove of stepping down (121), through-hole (62) have been seted up on bracing piece (6), second spout (63) have been seted up on the lateral wall of through-hole (62), spacing subassembly (7) include stopper (71), first spring (72), ejector pad (73) and slider (74), stopper (71) sliding connection is in first spout (122), and stopper (71) peg graft through-hole (62) on bracing piece (6), the one end fixed connection of first spring (72) is in stopper (71), and other end fixed connection is in the tank bottom of first spout (122), ejector pad (73) sliding connection is in through-hole (62), slider (74) sliding connection is in second spout (63), and slider (74) fixed connection is in ejector pad (73).

7. The level measuring device for highway maintenance according to claim 6, wherein: the utility model discloses a support bar, including the recess groove (121), the recess groove (121) is provided with still to let in the bracing piece (6) subassembly (8) that resets, the subassembly (8) that resets includes arc pole (81) and second spring (82), arc pole (81) fixed connection is on the lateral wall of recess groove (121), bracing piece (6) sliding connection is in arc pole (81), second spring (82) cover is established on arc pole (81), the one end fixed connection of second spring (82) is in bracing piece (6), and other end fixed connection is in the lateral wall of recess groove (121).

8. The level measuring device for highway maintenance according to claim 7, wherein: the side, far away from the first spring (72), of the limiting block (71) is provided with an inclined surface, and the inclined surface of the limiting block (71) is arranged in an inclined mode from the side close to the first spring (72) to the side far away from the first spring (72).

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