CN214695074U

CN214695074U - Grouting machine for road construction

Info

Publication number: CN214695074U
Application number: CN202120469378.1U
Authority: CN
Inventors: 王明庆; 马元海; 铁有录; 刘启权
Original assignee: Suzhou Keda Geotechnical Engineering Technology Co ltd
Current assignee: Suzhou Keda Geotechnical Engineering Technology Co ltd
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2021-11-12
Anticipated expiration: 2031-03-04

Abstract

The utility model provides a grouting machine for road construction, which comprises an adjusting mechanism; the top of the adjusting mechanism is movably provided with a connecting mechanism; the top of the connecting mechanism is hinged with a fixing mechanism; the top of the fixing mechanism is fixedly provided with an installation mechanism; and a grouting machine is fixedly arranged at the top of the mounting mechanism. L shape rotating turret and bracing piece set up, be favorable to improving the practicality of slip casting machine, shock-absorbing structure shrink between L shape rotating turret and the link can effectual reduction vertical vibration, the slide bar cooperation of connecting sliding block and braced frame can effectively carry out horizontal buffering, spring between bracing piece and the fixed connection piece can effectually carry out vertical buffering, avoid because broken highway section height is uneven can produce great jolting and produce the influence to slip casting machine internals when carrying the slip casting machine, it takes place to reduce the condition that the slip casting machine received long-term jolt and damage in advance, improve the life of slip casting machine.

Description

Grouting machine for road construction

Technical Field

The utility model belongs to the technical field of the slip casting machine, more specifically say, in particular to a slip casting machine for road construction.

Background

The grouting machine mainly comprises a drilling machine, a drilling tool, a grouting pump, a stirrer, a grouting pipeline assembly, a grout stopping plug, a mixer and the like, wherein the drilling machine and the drilling tool are pore-forming equipment, other equipment and appliances such as the grouting pump, the stirrer and the like are used for preparing and conveying grout, road cracks need to be repaired regularly in road construction, and the grouting equipment needs to be supported to the periphery of the cracks in the repairing process.

Based on the above, the present inventors found that the following problems exist in use: present slip casting machine can not effectively be waterproof to electrical apparatus such as electric cabinet, travel switch, electrohydraulic valve, probably leads to equipment electric leakage to damage even, because damaged road height is uneven, slip casting pump in the slip casting machine can not effectual assurance level, the working process breaks down easily, moreover, because broken highway section height is uneven can produce great jolting when carrying the slip casting machine, and then influences slip casting machine internals, the slip casting machine receives long-term jolt to damage in advance even.

In view of the above, research and improvement are made on the existing structure and defects, and a grouting machine for road construction is provided, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a slip casting machine for road construction, can not effectively be to electric cabinets to solving current slip casting machine, travel switch, electrical apparatus such as electro-hydraulic valve carries out waterproofly, probably lead to equipment leakage or even damage, because damaged road height is uneven, slip casting pump in the slip casting machine can not effectual assurance level, the working process breaks down easily, moreover, can produce great jolting when carrying the slip casting machine because broken highway section height is uneven, and then influence slip casting machine internals, the slip casting machine receives the problem of long-term jolt damage in advance even.

The utility model relates to a purpose and efficiency of slip casting machine for road construction is reached by following specific technological means:

a grouting machine for road construction comprises an adjusting mechanism; the top of the adjusting mechanism is movably provided with a connecting mechanism; the top of the connecting mechanism is hinged with a fixing mechanism; the top of the fixing mechanism is fixedly provided with an installation mechanism; a grouting machine is fixedly arranged at the top of the mounting mechanism; the top of the fixing mechanism and the outer side of the mounting mechanism are fixedly provided with outer protection mechanisms; installation mechanism has seted up the bar including connecting fixed plate, bracing piece, slip buckle and fixed link, the mid portion bilateral symmetry of connecting the fixed plate and has run through the groove, and this bar runs through the inside in groove and all fixes and be provided with the bracing piece, connects the fixed plate about both ends inside all the activity be provided with the slip buckle, the top bilateral symmetry of connecting the fixed plate is provided with fixed link.

Further, adjustment mechanism is including braced frame, the truckle, connect the shell, two-way lead screw, worm gear and spread groove, both ends bilateral symmetry is provided with the truckle around braced frame's the bottom, the symmetry is provided with the connection shell around the braced frame mid portion, and the inside of connecting the shell all rotates and is provided with worm gear, and the outside of connecting the shell is passed and stretches out to the one end of worm, a two-way lead screw has all been alternate to the inside of connecting the shell, and the intermediate position of two-way lead screw and the worm wheel meshing transmission in the worm gear, both ends top is the slide bar around braced frame, the symmetry is provided with the spread groove around both ends around braced frame's the left and right sides, the inboard longitudinal symmetry of spread groove is provided with spacing.

Further, coupling mechanism is including connecting the sliding block, the connecting lug, the damping, connecting plate and the slider that falls T, it is provided with the rotation connecting seat to connect sliding block top right side, the top left side slip of connecting the sliding block is provided with the slider that falls T, the fixed connecting lug that is provided with in bottom mid portion of connecting the sliding block, the fixed damping that is provided with in right side of connecting the lug, the fixed connecting plate that is provided with in damped right side, the left side bottom longitudinal symmetry of connecting plate is provided with the bar and runs through the groove, connecting plate right side top sets up the screw hole, under the installation, it slides and sets up the both ends slide bar outside around braced frame to connect the sliding block, damping and connecting plate activity set up the inside at the spread groove, the right side and the two-way lead screw outside meshing transmission of connecting plate.

Further, fixed establishment is including bearing plate, link, L shape rotating turret, linkage piece and shock-absorbing structure, and both ends bilateral symmetry is provided with the link around the bottom of bearing plate, and the bottom hinge of link is connected with L shape rotating turret, and the right side hinge of L shape rotating turret is connected with the linkage piece, is connected through shock-absorbing structure hinge between the left side of L shape rotating turret and the top of link, and under the installation state, L shape rotating turret bottom is connected with the rotation connection seat hinge that is connected sliding block top right side, and the linkage piece other end is connected with the top hinge of the shape of falling T slider.

Further, installation mechanism is still including the mounting panel, fixed connection piece and link block, be provided with the spring between this slip buckle and the connection fixed plate, the intermediate position of slip buckle is provided with the cylinder and passes and stretch out the outside of connecting the fixed plate, the equal front and back symmetry in fixed connection pole's top is provided with link block, and link block's the fixed mounting panel that is provided with in top, and the both ends bilateral symmetry is provided with four fixed connection pieces about mounting panel bottom mid portion, left fixed connection piece slides and sets up in the left bracing piece outside, the fixed connection piece on right side slides and sets up in the bracing piece outside on right side, and be provided with the spring between fixed connection piece and the connection fixed plate, under the installation status, it sets up the top at the bearing plate to connect the fixed plate.

Further, outer protection mechanism is including protecting sheathing, sliding plate and connector link, and the connection round hole has been seted up to symmetry around the protecting sheathing bottom intermediate position, and the louvre has been seted up to the protecting sheathing front end, and the symmetry is provided with the sliding plate around the protecting sheathing top, and passes through connector link fixed connection between the sliding plate.

Further, outer protection mechanism is still including the draw-in groove, the symmetry is provided with the draw-in groove around both ends about the protective housing bottom inboard, protective housing top bilateral symmetry is provided with trapezoidal protruding strip, the equal bilateral symmetry in bottom of sliding plate is provided with the dovetail groove, reciprocating motion about the outside of protective housing's trapezoidal protruding strip can be followed to this dovetail groove, under the mounted state, protective housing bottom and bearing plate top contact, inside the draw-in groove that the slip buckle was embedded into protective housing respectively, the intermediate position that slip buckle cylinder activity was embedded into the slip buckle is provided with the cylinder and passes and stretch out inside the connection round hole in the outside of connecting the fixed plate.

Compared with the prior art, the utility model discloses following beneficial effect has:

the arrangement of the L-shaped rotating frame and the supporting rod is favorable for improving the practicability of the grouting machine, the connecting frame can drive the L-shaped rotating frame to rotate around the top of the connecting sliding block, meanwhile, the contraction of a damping structure between the top of the left side of the L-shaped rotating frame and the connecting frame can effectively reduce vertical vibration, the linkage block drives the inverted T-shaped sliding block to slide on the top of the connecting sliding block, the connecting sliding block slides in the reverse direction to the middle position of the supporting frame, the damping arrangement buffers the fixing mechanism at the moment, the sliding rod of the connecting sliding block and the supporting frame can effectively buffer in the transverse direction, when shaking occurs in the transportation process, the connecting sliding block and the fixed connecting block on the mounting plate respectively slide outside the fixed connecting rod of the connecting fixed plate and outside the supporting rod, the spring between the supporting rod and the fixed connecting block can effectively buffer in the longitudinal direction, and the influence of the internal parts of the grouting machine due to the greater jolt generated when the grouting machine is transported in a broken road section, the condition that the grouting machine is damaged in advance due to long-term jolt is reduced, and the service life of the grouting machine is prolonged.

The arrangement of the bidirectional screw rod and the protective shell is beneficial to improving the adaptability and the maintenance efficiency of the grouting machine, the height of the bearing plate is adjusted by respectively rotating the worm gears at the front end and the rear end of the supporting frame to drive the bidirectional screw rod, thereby leading the grouting pump inside the grouting machine to be in a horizontal state, avoiding influencing the use of the grouting machine, effectively ensuring the water inlet condition of the grouting machine inside due to the arrangement of the protective shell, improving the protective effect of the grouting machine, avoiding the leakage and even damage of the grouting machine, when the grouting pump needs to be maintained after long-term use, the sliding buckle is pressed into the connecting fixing plate through the connecting round hole on the protective shell and is separated from the inner side of the protective shell, the protective shell is taken down for maintenance, the connecting buckle is rotated by ninety degrees, and then the sliding plate is pulled outwards from the top of the protective shell for maintenance, so that the maintenance efficiency of the equipment is improved.

Drawings

Fig. 1 is a schematic side-sectional structure of the present invention.

Fig. 2 is a schematic diagram of the axial side structure of the adjusting mechanism of the present invention.

Fig. 3 is a schematic view of the bottom-side structure of the connection mechanism of the present invention.

Fig. 4 is a schematic bottom view of the fixing mechanism of the present invention.

Fig. 5 is a schematic bottom view of the mounting mechanism of the present invention.

Fig. 6 is a schematic side sectional structure diagram of the outer protection mechanism of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. an adjustment mechanism; 101. a support frame; 102. a caster wheel; 103. connecting the shell; 104. a bidirectional screw rod; 105. a worm gear; 106. connecting grooves; 2. a connecting mechanism; 201. connecting the sliding blocks; 202. a connection bump; 203. damping; 204. a connecting plate; 205. an inverted T-shaped slider; 3. a fixing mechanism; 301. a bearing plate; 302. a connecting frame; 303. an L-shaped rotating frame; 304. a linkage block; 305. a shock-absorbing structure; 4. an installation mechanism; 401. connecting the fixed plate; 402. a support bar; 403. sliding the buckle; 404. a fixed connecting rod; 405. mounting a plate; 406. fixing a connecting block; 407. connecting the sliding block; 5. an external protection mechanism; 501. a protective housing; 502. a sliding plate; 503. a connecting buckle; 504. a card slot; 6. and (4) grouting machine.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 6:

the utility model provides a grouting machine for road construction, which comprises an adjusting mechanism 1; the top of the adjusting mechanism 1 is movably provided with a connecting mechanism 2; the top of the connecting mechanism 2 is hinged with a fixing mechanism 3; the top of the fixing mechanism 3 is fixedly provided with an installation mechanism 4; the top of the mounting mechanism 4 is fixedly provided with a grouting machine 6; the top of the fixing mechanism 3 and the outer side of the mounting mechanism 4 are fixedly provided with outer protection mechanisms 5; the mounting mechanism 4 comprises a connecting and fixing plate 401, a support rod 402, a sliding buckle 403 and a fixed connecting rod 404, wherein the strip-shaped through grooves are symmetrically formed in the left and right of the middle part of the connecting and fixing plate 401, the support rod 402 is fixedly arranged in each strip-shaped through groove, the sliding buckle 403 is movably arranged in each of the left end and the right end of the connecting and fixing plate 401, and the fixed connecting rod 404 is symmetrically arranged on the left and right of the top of the connecting and fixing plate 401.

Wherein, adjustment mechanism 1 is including braced frame 101, the truckle 102, connect the shell 103, two-way lead screw 104, worm gear 105 and spread groove 106, both ends bilateral symmetry is provided with truckle 102 around braced frame 101's bottom, braced frame 101 mid portion longitudinal symmetry is provided with and connects shell 103, and the inside of connecting shell 103 all rotates and is provided with worm gear 105, and the outside of connecting shell 103 is passed and stretched out to the one end of worm, connect the inside of shell 103 and all alternate a two-way lead screw 104, and the intermediate position of two-way lead screw 104 and the worm wheel meshing transmission in the worm gear 105, braced frame 101 is the slide bar at both ends top around, braced frame 101's both ends longitudinal symmetry is provided with spread groove 106, the inboard longitudinal symmetry of spread groove 106 is provided with spacing.

Wherein, coupling mechanism 2 is including connecting sliding block 201, connecting lug 202, damping 203, connecting plate 204 and the slider 205 of falling T shape, it is provided with the rotation connecting seat to connect sliding block 201 top right side, it is provided with the slider 205 of falling T shape to connect sliding block 201's top left side slip, it is provided with connecting lug 202 to connect sliding block 201's bottom mid portion fixed, it is provided with damping 203 to connect sliding block 202's right side fixed, damping 203's right side fixed is provided with connecting plate 204, the left side bottom longitudinal symmetry of connecting plate 204 is provided with the bar and runs through the groove, connecting plate 204 right side top sets up the screw hole, under the mounted state, it sets up in braced frame 101 front and back both ends slide bar outside to connect sliding block 201 to slide, damping 203 and connecting plate 204 activity set up the inside at spread groove 106, the right side and the two-way lead screw 104 outside meshing transmission of connecting plate 204.

Wherein, fixed establishment 3 is including bearing plate 301, link 302, L shape rotating turret 303, linkage block 304 and shock-absorbing structure 305, bearing plate 301's bottom front and back both ends bilateral symmetry is provided with link 302, link 302's bottom hinge is connected with L shape rotating turret 303, and L shape rotating turret 303's right side hinge is connected with linkage block 304, pass through shock-absorbing structure 305 hinge between L shape rotating turret 303's the left side and the top of link 302 and be connected, under the installation state, L shape rotating turret 303 bottom and the rotation connecting seat hinge on connecting sliding block 201 top right side are connected, the other end of linkage block 304 is connected with the top hinge of the slider 205 of shape of falling T.

Wherein, installation mechanism 4 is still including mounting panel 405, fixed connection piece 406 and connection slider 407, be provided with the spring between this slip buckle 403 and the connection fixed plate 401, the intermediate position of slip buckle 403 is provided with the cylinder and passes and stretch out the outside of connecting fixed plate 401, the equal fore-and-aft symmetry in top of fixed connection pole 404 is provided with connection slider 407, and the fixed mounting panel 405 that is provided with in top of connection slider 407, and both ends bilateral symmetry are provided with four fixed connection pieces 406 about the mid portion of mounting panel 405 bottom, left fixed connection piece 406 slides and sets up in the left bracing piece 402 outside, the fixed connection piece 406 on right side slides and sets up in the bracing piece 402 outside on right side, and be provided with the spring between fixed connection piece 406 and the connection fixed plate 401, under the installation state, connection fixed plate 401 is fixed to be set up at the top of bearing plate 301.

Wherein, outer protection mechanism 5 is including protective housing 501, sliding plate 502 and connector link 503, and the connection round hole has been seted up to protective housing 501 bottom intermediate position front and back symmetry, and the louvre has been seted up to protective housing 501 front end, and protective housing 501 top front and back symmetry is provided with sliding plate 502, and passes through connector link 503 fixed connection between the sliding plate 502.

Wherein, outer protection machanism 5 is still including draw-in groove 504, the symmetry is provided with draw-in groove 504 around both ends about protective housing 501 bottom inboard, protective housing 501 top bilateral symmetry is provided with trapezoidal protruding strip, the equal bilateral symmetry in bottom of sliding plate 502 is provided with the dovetail groove, reciprocating motion about the outside of protective housing 501's trapezoidal protruding strip can be followed to this dovetail groove, under the mounted state, protective housing 501 bottom and bearing plate 301 top contact, inside slide buckle 403 embedded into protective housing 501's draw-in groove 504 respectively, the intermediate position that slide buckle 403 cylinder activity was embedded into slide buckle 403 is provided with the cylinder and passes and stretch out inside the connection round hole in the outside of connecting fixed plate 401.

The specific use mode and function of the embodiment are as follows:

in the utility model, when the grouting machine 6 is transported to a repair section and bumped, the connecting frame 302 can drive the L-shaped rotating frame 303 to rotate around the top of the connecting sliding block 201, meanwhile, the damping structure 305 between the top of the left side of the L-shaped rotating frame 303 and the connecting frame 302 contracts to reduce vertical vibration, the linkage block 304 drives the inverted T-shaped sliding block 205 to slide on the top of the connecting sliding block 201, the connecting sliding block 201 slides in the opposite direction to the middle position of the supporting frame 101, the damping 203 is arranged to buffer the fixing mechanism 3 at the moment, the sliding block 201 and the sliding rod of the supporting frame 101 are matched to effectively perform transverse buffering, when the transportation process shakes, the connecting sliding block 407 and the fixed connecting block 406 on the mounting plate 405 respectively slide outside the fixed connecting rod 404 of the connecting plate 401 and outside the supporting rod 402, the spring between the supporting rod 402 and the fixed connecting block 406 can effectively perform transverse buffering, the bidirectional screw rod 104 is driven to rotate by rotating the worm gear 105, two ends of the bidirectional screw rod 104 respectively drive the connecting plate 204 and the damper 203 to move outwards in the connecting groove 106, at the moment, the damper 203 drives the connecting sliding block 201 to move outwards, the connecting sliding block 201 drives the L-shaped rotating frame 303 to rotate to lift one end of the bearing plate 301, the height of the bearing plate 301 is adjusted by respectively rotating the worm gear 105 at the front end and the rear end of the supporting frame 101, so that a grouting pump in the grouting machine 6 is in a horizontal state, the use of the grouting machine 6 is prevented from being influenced, the arrangement of the protective shell 501 can effectively ensure that the inner grouting machine 6 has water inflow, when the grouting pump is used for a long time and needs to be maintained, the sliding buckle 403 is pressed into the connecting fixing plate 401 through the connecting round hole in the protective shell 501 and separated from the inner side of the protective shell 501, and the protective shell 501 can be taken down for maintenance at the moment, during routine maintenance, the connecting buckle 503 is rotated ninety degrees, and then the sliding plate 502 is pulled outward from the top of the protective housing 501 for maintenance.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a slip casting machine for road construction which characterized in that: comprises an adjusting mechanism (1); the top of the adjusting mechanism (1) is movably provided with a connecting mechanism (2); the top of the connecting mechanism (2) is hinged with a fixing mechanism (3); the top of the fixing mechanism (3) is fixedly provided with an installation mechanism (4); a grouting machine (6) is fixedly arranged at the top of the mounting mechanism (4); the top of the fixing mechanism (3) and the outer side of the mounting mechanism (4) are fixedly provided with an outer protection mechanism (5); installation mechanism (4) including connecting fixed plate (401), bracing piece (402), slip buckle (403) and fixed link pole (404), the middle part bilateral symmetry of connecting fixed plate (401) has seted up the bar and has run through the groove, and this bar runs through the inside in groove and all fixedly is provided with bracing piece (402), and the both ends are inside all to be provided with slip buckle (403) about connecting fixed plate (401) movably, and the top bilateral symmetry of connecting fixed plate (401) is provided with fixed link pole (404).

2. A grouting machine for road construction according to claim 1, characterised in that: the adjusting mechanism (1) comprises a supporting frame (101), casters (102), a connecting shell (103), a two-way screw rod (104), a worm gear (105) and a connecting groove (106), wherein the casters (102) are symmetrically arranged at the front end and the rear end of the bottom of the supporting frame (101) in the left-right direction, the connecting shell (103) is symmetrically arranged at the front end and the rear end of the middle part of the supporting frame (101), and the inside of the connecting shell (103) is rotatably provided with a worm gear (105), one end of the worm penetrates through and extends out of the outer side of the connecting shell (103), a two-way screw rod (104) is inserted into the connecting shell (103), the middle position of the two-way screw rod (104) is in meshed transmission with a worm wheel in the worm gear (105), sliding rods are arranged at the tops of the front end and the rear end of the supporting frame (101), connecting grooves (106) are symmetrically arranged at the front and the rear of the left end and the right end of the supporting frame (101), and limiting strips are symmetrically arranged at the front and the rear of the inner side of each connecting groove (106).

3. A grouting machine for road construction according to claim 1, characterised in that: the connecting mechanism (2) comprises a connecting sliding block (201), a connecting convex block (202), a damping (203), a connecting plate (204) and an inverted T-shaped sliding block (205), a rotating connecting seat is arranged on the right side of the top of the connecting sliding block (201), the inverted T-shaped sliding block (205) is arranged on the left side of the top of the connecting sliding block (201) in a sliding manner, the connecting convex block (202) is fixedly arranged at the middle part of the bottom of the connecting sliding block (201), the damping (203) is fixedly arranged on the right side of the connecting convex block (202), the connecting plate (204) is fixedly arranged on the right side of the damping (203), strip-shaped through grooves are symmetrically arranged on the front and back of the left bottom of the connecting plate (204), threaded holes are formed in the top of the right side of the connecting plate (204), the connecting sliding block (201) is arranged on the outer sides of sliding rods at the front and back ends of the supporting frame (101) in a sliding manner in an installation state, and the damping (203) and the connecting plate (204) are movably arranged in the connecting groove (106), the right side of the connecting plate (204) is in meshed transmission with the outer side of the bidirectional screw rod (104).

4. A grouting machine for road construction according to claim 1, characterised in that: the fixing mechanism (3) comprises a bearing plate (301), a connecting frame (302), an L-shaped rotating frame (303), a linkage block (304) and a damping structure (305), the connecting frame (302) is symmetrically arranged at the front end and the rear end of the bottom of the bearing plate (301) in a left-right mode, the bottom of the connecting frame (302) is hinged to the L-shaped rotating frame (303), the linkage block (304) is hinged to the right side of the L-shaped rotating frame (303), the left side of the L-shaped rotating frame (303) is hinged to the top of the connecting frame (302) through the damping structure (305), the bottom of the L-shaped rotating frame (303) is hinged to a rotating connecting seat on the right side of the top of a connecting sliding block (201) in an installation state, and the other end of the linkage block (304) is hinged to the top of an inverted T-shaped sliding block (205).

5. A grouting machine for road construction according to claim 1, characterised in that: the mounting mechanism (4) also comprises a mounting plate (405), a fixed connecting block (406) and a connecting sliding block (407), a spring is arranged between the sliding buckle (403) and the connecting fixing plate (401), a cylinder is arranged in the middle of the sliding buckle (403) and penetrates through and extends out of the outer side of the connecting fixing plate (401), the connecting sliding blocks (407) are symmetrically arranged at the front and back of the top of the fixed connecting rod (404), the mounting plate (405) is fixedly arranged at the top of the connecting sliding block (407), four fixed connecting blocks (406) are symmetrically arranged at the left and right ends of the middle part of the bottom of the mounting plate (405), the fixed connecting block (406) at the left side is arranged at the outer side of the supporting rod (402) at the left side in a sliding manner, the fixed connecting block (406) at the right side is arranged at the outer side of the supporting rod (402) at the right side in a sliding manner, and the spring is arranged between the fixed connecting block (406) and the connecting fixing plate (401), in the mounting state, the connecting and fixing plate (401) is fixedly arranged on the top of the bearing plate (301).

6. A grouting machine for road construction according to claim 1, characterised in that: outer protection machanism (5) are including protecting sheathing (501), sliding plate (502) and connector link (503), and the connection round hole has been seted up to protecting sheathing (501) bottom intermediate position front and back symmetry, and the louvre has been seted up to protecting sheathing (501) front end, and the symmetry is provided with sliding plate (502) around protecting sheathing (501) top, and passes through connector link (503) fixed connection between sliding plate (502).

7. A grouting machine for road construction according to claim 1, characterised in that: outer protection machanism (5) are still including draw-in groove (504), both ends front and back symmetry is provided with draw-in groove (504) about protective housing (501) bottom inboard, protective housing (501) top bilateral symmetry is provided with trapezoidal protruding strip, the equal bilateral symmetry in bottom of sliding plate (502) is provided with the dovetail groove, reciprocating motion about the outside of the trapezoidal protruding strip of protective housing (501) can be followed to this dovetail groove, under the mounted state, protective housing (501) bottom and bearing plate (301) top contact, inside slide buckle (403) imbed draw-in groove (504) of protective housing (501) respectively, the intermediate position that slide buckle (403) cylinder activity was embedded into slide buckle (403) is provided with the cylinder and passes and stretch out inside the connection round hole in the outside of connecting fixed plate (401).