Soil layer drilling device for road maintenance

Abstract

The invention discloses a road maintenance soil layer drilling device, and belongs to the technical field of soil layer drilling, the road maintenance soil layer drilling device comprises a frame and a lug seat fixedly connected to the front side of the upper surface of the frame, the inner surface of the lug seat is rotatably connected with lug plates, the inner surfaces of the lug plates are jointly and fixedly connected with a lifting seat, and a drilling machine is arranged in front of the lifting seat; a spring clamping seat is mounted on the front surface of the frame, clamping grooves for clamping the spring clamping seat are formed in the lower sides of the outer surfaces of the two sides of the lifting seat, a buffering cushion block is fixedly connected to the rear side of the upper surface of the frame, a sliding rail is fixedly connected to the inner bottom of the frame, and a plurality of balancing weights are arranged on the upper surface of the sliding rail. According to the device, high parts can be folded, transferring is convenient, the balance weight proportion of the front portion and the rear portion of the frame can be adjusted according to the hardness degree of a road surface, the downward pressure of a drilling machine portion is improved, meanwhile, balance weight blocks are split, the load of a motor is reduced, and on the slope road surface, matching blocks can be adjusted one by one, and overload of the motor is prevented.

Description

Technical Field

[0001] The invention relates to the technical field of soil layer drilling, and more specifically to a road maintenance soil layer drilling device. Background Art

[0002] Road maintenance is the care and maintenance of roads, the maintenance of roads and the structures and facilities on the roads, the maintenance of road performance as much as possible, the timely restoration of damaged parts, to ensure safe, comfortable and smooth driving, saving transportation costs and time. After a period of use, the road will partially collapse and loosen, so it is necessary to use a soil drilling device to drill holes in the loose soil layer, and then insert the grouting pipe into the hole for grouting reinforcement operations.

[0003] The top of the drill rig of most existing road maintenance soil drilling devices is relatively high. When transporting or passing through some height-restricted spaces, the higher top is often difficult to pass. In addition, when encountering harder road surfaces, most existing road maintenance soil drilling devices usually need to increase the rotation speed and increase the downforce to obtain better drilling effects. Some devices use a whole counterweight block to adjust the front and rear counterweight ratio of the frame. Then, when there is no need to adjust too much counterweight, the motor can only slide with a larger counterweight block to adjust the counterweight. The motor load is large, and when used on some sloping roads, the motor is easily overloaded due to the slope, and the flexibility of scene application is poor.

[0004] Therefore, a road maintenance soil layer drilling device is proposed. Summary of the invention

[0005] In view of the problems existing in the prior art, the purpose of the present invention is to provide a road maintenance soil layer drilling device that can achieve.

[0006] To solve the above problems, the present invention adopts the following technical solutions.

[0007] A road maintenance soil drilling device comprises a frame and an ear seat fixedly connected to the front side of the upper surface of the frame, the inner surface of the ear seat is rotatably connected to an ear plate, the inner surfaces of the ear plates are commonly fixedly connected to a lifting seat, a drilling rig is arranged in front of the lifting seat, a spring clamping seat is installed on the front surface of the frame, and the lower sides of the outer surfaces of both sides of the lifting seat are provided with clamping grooves for the spring clamping seat to be clamped, a buffer pad is fixedly connected to the rear side of the upper surface of the frame, a slide rail is fixedly connected to the inner bottom of the frame, a plurality of counterweight blocks are arranged on the upper surface of the slide rail, and a transmission mechanism is arranged on the outer and inner surfaces of the frame.

[0008] Furthermore, the transmission mechanism includes a motor fixedly connected to the front inner surface of the frame, the output end of the motor is fixedly connected to a driving gear, the inner surface of the frame is rotatably connected to two first screw rods, the front end outer cylindrical surface of the first screw rod is fixedly connected to a driven gear, the outer cylindrical surface of the first screw rod is spirally connected to a first nut seat, the rear side of the upper surface of the first nut seat is commonly fixedly connected to a cross frame, the inner and outer sides of the cross frame are commonly provided with an upper clamping unit, and the inside and bottom of the counterweight block are commonly provided with a lower clamping unit.

[0009] Furthermore, the upper clamping unit includes a limiting hole that passes through the upper and lower surfaces of the cross frame, the inside of the limiting hole is slidably connected with a clamping rod, the lower surface of the cross frame is fixedly connected with a booster spring, and a spring sleeve is provided on the outside of the booster spring, and the upper surface of the counterweight block has a clamping hole.

[0010] Furthermore, the lower clamping unit includes a treading base plate which is rotatably connected to the front side of the lower surface of the frame by a hinge, the upper surface of the treading base plate is symmetrically provided with a plurality of first spring sleeves, and the interior of the first spring sleeves is provided with a spring and a limiting telescopic rod, the upper surface of the first spring sleeve is fixedly connected with a clamping block, and the clamping block is symmetrically designed on the treading base plate, the middle position of the lower surface of the counterweight block is connected to the clamping hole and a clamping groove is provided inside, and the clamping block can be clamped inside the clamping groove, the interior of the clamping groove is slidably connected with a connecting rod, the lower surface of the treading base plate is abutted with a second spring sleeve, and the interior of the second spring sleeve is provided with a return spring.

[0011] Furthermore, a sleeve plate is fixedly connected to the front side of the upper surface of the first nut seat, a support rod is rotatably provided on the rear surface of the lifting seat, and the support rod is adsorbed on the rear surface of the lifting seat through a magnetic block.

[0012] Furthermore, support arms are rotatably connected to both sides of the front surface of the frame, a screw is threadedly connected to the front end of the support arm, and a handwheel is fixedly connected to the upper end of the screw, and a glue injection seat is rotatably connected to the lower end of the screw, and the upper surface of the glue injection seat extends to the inner top to provide a glue injection port, and a first sliding rod is fixedly connected to the upper surface of the glue injection seat near the glue injection port by screws, and the first sliding rod passes through and is slidably connected to the inner surface of the support arm.

[0013] Furthermore, the outer arc surface of the glue injection seat is fixedly connected to a storage seat, and the inner surface of the storage seat is connected to a pad rod via an elastic rotating shaft.

[0014] Furthermore, the two sides of the frame are slidably connected with hanging rods, and the upper end of the middle rod of the hanging rod is fixedly connected with an anti-drop block, the outside of the hanging rod is slidably connected with an auxiliary cylinder block, and the auxiliary cylinder block is fixedly connected to the outer surface of the frame, the outer surface of the auxiliary cylinder block is fixedly connected with an anti-collision sponge, and the lower end of the hanging rod is fixedly connected with a rubber cutting knife.

[0015] Furthermore, the lifting seat is internally rotatably connected to a second screw rod, the outer cylindrical surface of the second screw rod is spirally connected to a second nut seat, and the front surface of the second nut seat is fixedly connected to the rear surface of the drilling rig, the lower end outer cylindrical surface of the second screw rod is fixedly connected to a first bevel tooth, one side of the first bevel tooth is meshingly connected to a second bevel tooth, and the second bevel tooth is driven by an external handwheel.

[0016] Furthermore, second sliding bars are fixedly connected to both sides of the front surface of the lifting seat, and the mounting seat of the drilling rig is limitedly slidably connected to the outside of the second sliding bars.

[0017] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention can be conveniently transported through the arrangement of a frame, an ear seat, an ear plate, a lifting seat, a drilling rig, a spring seat, a buffer pad, a slide rail, a counterweight, a transmission mechanism, a motor, a driving gear, a first screw rod, a driven gear, a first nut seat, a cross frame, an upper clamping unit, a limit hole, a clamping rod, a power spring, a clamping hole, a lower clamping unit, a stepping base plate, a first spring sleeve, a clamping block, a clamping slide, a connecting rod, and a second spring sleeve. The counterweight ratio of the front and rear of the frame can be adjusted according to the hardness of the road surface to increase the downward pressure of the drilling rig. At the same time, the counterweight is split. When there is no need to mobilize more counterweights, fewer counterweights can be moved to adjust the counterweight ratio to reduce the load of the motor. The present invention is flexible and multi-purpose. On a slope road, the matching blocks can be mobilized one by one in the form of clamping to prevent the motor from overloading. 2. The present invention uses simple components to assist the lowering and erecting of the lifting seat on the basis of the existing structure through the arrangement of the motor, the driving gear, the first screw rod, the driven gear, the first nut seat, the sleeve plate, and the support rod, thereby reducing the labor intensity; 3. The present invention can temporarily reinforce the road surface around the hole position by setting the support arm, screw rod, glue injection seat, glue injection port, first slide rod, storage seat, pad rod, hanging rod, auxiliary cylinder block, and glue cutting knife to prevent the cracks from continuing to expand or forming new cracks, and it is also convenient to clean the colloid remaining on the lower surface of the glue injection seat; 4. The present invention allows the operator to control the lifting of the drilling rig at a suitable position through the arrangement of the second screw rod, the second nut seat, the first bevel gear, the second bevel gear and the second slide rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention; Figure 2 For the present invention Figure 1 Schematic diagram of a partial three-dimensional structure; Figure 3 For the present invention Figure 1 A partial rear view stereoscopic structure diagram; Figure 4 For the present invention Figure 3 A schematic diagram of the three-dimensional structure at the middle span frame 106; Figure 5 For the present invention Figure 3 Schematic diagram of a partial three-dimensional structure; Figure 6 This is a bottom-up three-dimensional structural schematic diagram of the counterweight block 9 of the present invention; Figure 7 For the present invention Figure 3 A schematic diagram of the rear cross-sectional structure of the middle counterweight 9; Figure 8 For the present invention Figure 5 Schematic diagram of a partial three-dimensional structure; Fig. 9 For the present invention Figure 8 A is a schematic diagram of the enlarged structure of the middle part; Fig.10 For the present invention Figure 1 A schematic diagram of a partial three-dimensional structure viewed from above; Fig.11 For the present invention Fig.10 A schematic diagram of the three-dimensional structure of the middle support arm 13; Fig.12 For the present invention Fig.11 Schematic diagram of the enlarged structure of B; Fig.13 For the present invention Figure 2 A schematic diagram of the three-dimensional structure of the auxiliary cylinder block 21; Fig.14 It is a front cross-sectional structural schematic diagram of the lifting seat 4 of the present invention.

[0019] Description of the numbers in the figure: 1. Frame; 2. Ear seat; 3. Ear plate; 4. Lifting seat; 5. Drilling machine; 6. Spring seat; 7. Buffer pad; 8. Slide rail; 9. Counterweight; 10. Transmission mechanism; 101. Motor; 102. Driving gear; 103. First screw rod; 104. Driven gear; 105. First nut seat; 106. Cross frame; 107. Upper clamping unit; 1071. Limiting hole; 1072. Clamping rod; 1073. Power spring; 1074. Clamping hole; 108. Lower clamping unit; 1081. Pedal base plate; 1082, first spring sheath; 1083, clamping block; 1084, clamping slide groove; 1085, connecting rod; 1086, second spring sheath; 11, sleeve plate; 12, support rod; 13, support arm; 14, screw rod; 15, glue injection seat; 16, glue injection port; 17, first slide bar; 18, storage seat; 19, pad rod; 20, suspension rod; 21, auxiliary cylinder block; 22, glue cutting knife; 23, second screw rod; 24, second nut seat; 25, first bevel gear; 26, second bevel gear; 27, second slide bar; DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making creative work are within the scope of protection of the present invention. Embodiment 1:

[0021] See also Figures 1 to 14 A road maintenance soil drilling device comprises a frame 1 and an ear seat 2 fixedly connected to the front side of the upper surface of the frame 1, the inner surface of the ear seat 2 is rotatably connected with an ear plate 3, the inner surface of the ear plate 3 is commonly fixedly connected with a lifting seat 4, a drilling rig 5 is arranged in front of the lifting seat 4, a spring clamping seat 6 is installed on the front surface of the frame 1, and a clamping groove for the spring clamping seat 6 to be clamped is opened at the lower side position of the outer surface of both sides of the lifting seat 4, a buffer pad 7 is fixedly connected to the rear side of the upper surface of the frame 1, a slide rail 8 is fixedly connected to the inner bottom of the frame 1, a plurality of counterweight blocks 9 are arranged on the upper surface of the slide rail 8, and a transmission mechanism 10 is arranged on the outer and inner surfaces of the frame 1.

[0022] like Figure 1-9 As shown, the transmission mechanism 10 includes a motor 101 fixedly connected to the front inner surface of the frame 1, the output end of the motor 101 is fixedly connected to a driving gear 102, the inner surface of the frame 1 is rotatably connected to two first screw rods 103, the front end outer cylindrical surface of the first screw rod 103 is fixedly connected to a driven gear 104, the outer cylindrical surface of the first screw rod 103 is spirally connected to a first nut seat 105, the rear side of the upper surface of the first nut seat 105 is commonly fixedly connected to a cross frame 106, the inner and outer parts of the cross frame 106 are commonly provided with an upper clamping unit 107, the inner and outer parts of the counterweight block 9 are commonly provided with a lower clamping unit 108, and the driving gear 102 is meshed with the two driven gears 104.

[0023] like Figure 3 , 4 As shown in Figures 7, the upper clamping unit 107 includes a limiting hole 1071 which is opened through the upper and lower surfaces of the cross frame 106, and the inner part of the limiting hole 1071 is slidably connected with a clamping rod 1072, the lower surface of the cross frame 106 is fixedly connected with a booster spring 1073, and a spring sleeve is provided on the outside of the booster spring 1073, and the upper surface of the counterweight block 9 is provided with a clamping hole 1074, and the booster spring 1073 is clamped on the outside of the clamping rod 1072.

[0024] like Figure 3 , 5As shown in FIG. 9 , the lower clamping unit 108 includes a treading base plate 1081 rotatably connected to the front side of the lower surface of the frame 1 through a hinge, a plurality of first spring sheaths 1082 are symmetrically arranged on the upper surface of the treading base plate 1081, and a spring and a limiting telescopic rod are arranged inside the first spring sheath 1082, a clamping block 1083 is fixedly connected to the upper surface of the first spring sheath 1082, and the clamping block 1083 is symmetrically designed on the treading base plate 1081, and a clamping groove 1074 is provided inside the middle position of the lower surface of the counterweight block 9 to communicate with the clamping hole 1074. 84, and the clamping block 1083 can be clamped in the inside of the clamping slot 1084, the inside of the clamping slot 1084 is slidably connected with a connecting rod 1085, the lower surface of the pedal base plate 1081 is abutted with a second spring sleeve 1086, and a return spring is arranged inside the second spring sleeve 1086, one side of the clamping block 1083 is a vertical surface, and the other side is an inclined surface, and the lower surface of the counterweight block 9 is symmetrically chamfered, and the extension height of the chamfer is higher than the vertical surface height of the clamping block 1083, so as to prevent the adjacent clamping block 1083 from affecting the normal sliding of the counterweight block 9.

[0025] By adopting the above technical solution, when the device is transported, the ear seat 2 and the ear plate 3 can be rotated to make the lifting seat 4 lie flat on the frame 1 to lower the overall height of the device. The buffer pad 7 is used to support the lying lifting seat 4. When the device is working, a suitable number of counterweight blocks 9 can be selected according to the hardness of the drilled road surface to move forward for weighting. When moving on flat ground, the treading base plate 1081 can be directly stepped on to make the clamping groove 1084 on the lower surface of the counterweight block 9 disengage from the one-way limiting effect of the clamping block 1083, and the clamping rod 1072 is pulled upward to clamp it in the clamping hole 1074 of the appropriate counterweight block 9. The motor 101 is turned on, and the motor 101 can drive the driving gear 102 to rotate, and the driving gear 102 can drive the two driven gears 104 to rotate, drive the first nut seat 105 on the first screw rod 103 to slide, and drive a number of counterweight blocks 9 to move forward. After reaching the specified position, the treading base plate 1081 is released. Under the action of the return spring inside the second spring sheath 1086, the block 1083 on the stepped base plate 1081 can be clamped in the clamping slot 1084 to achieve a locking effect. At this time, the counterweight on the front side of the frame 1 is increased, which increases the downward force on the front side of the frame 1 and improves the drilling efficiency. When the frame 1 is on a slope, the counterweight blocks 9 can be moved one by one. When they are moved one by one, the clamping rod 1072 is clamped in the first counterweight block 9 that needs to be called. In the card hole 1074, during the card insertion process, the card rod 1072 can press the card block 1083 with the help of the connecting rod 1085, and the card block 1083 can lose its limiting effect under the pressing action of the connecting rod 1085. Since the lower surface of the counterweight block 9 is symmetrically chamfered, the counterweight block 9 can slide to the top of the card block 1083 at the opposite specified position, and be carded and locked by the opposite card block 1083 to prevent the counterweight block 9 from sliding on the slope road surface and affecting the normal weight adjustment process.

[0026] like Figure 3 , 4 As shown, a sleeve plate 11 is fixedly connected to the front side of the upper surface of the first nut seat 105, a support rod 12 is rotatably arranged on the rear surface of the lifting seat 4, and the support rod 12 is adsorbed on the rear surface of the lifting seat 4 through a magnetic block, a preset hole is provided on the support rod 12, and a sleeve seat for inserting one end of the support rod 12 is fixedly connected to the sleeve plate 11, and the sleeve seat is provided with a preset hole.

[0027] By adopting the above technical solution, when there is no need to adjust the counterweight 9, the motor 101 is in an idle state. When the lifting seat 4 is lowered to lie flat, the clamping rod 1072 can be pulled first, and then the clamping rod 1072 can be rotated so that the flat plate of the clamping rod 1072 is clamped on the upper surface of the cross frame 106. At this time, the assist spring 1073 is always in a compressed state, and the lower end of the clamping rod 1072 will not contact the counterweight 9. Turn on the motor 101, adjust the sleeve plate 11 to a suitable position, remove the support rod 12 magnetically connected to the rear surface of the lifting seat 4, so that it can be placed in the sleeve on the sleeve 11, and use a bolt to insert it into the preset hole of the support rod 12. At this time, the limit of the spring clamping seat 6 is released and the motor 101 is turned on to rotate. The first nut seat 105 and the sleeve plate 11 moving backward will gradually lower the lifting seat 4 to lie flat on the buffer pad 7. Embodiment 2:

[0028] like Fig.10 , 11 As shown, the front surface of the frame 1 is rotatably connected to the support arms 13 on both sides, the front end of the support arms 13 is threadedly connected to the screw rod 14, and the upper end of the screw rod 14 is fixedly connected to the hand wheel, the lower end of the screw rod 14 is rotatably connected to the glue injection seat 15, the upper surface of the glue injection seat 15 extends to the inner top and a glue injection port 16 is provided, the upper surface of the glue injection seat 15 is fixedly connected to the first slide bar 17 near the glue injection port 16 by screws, and the first slide bar 17 penetrates and is slidably connected to the inner surface of the support arm 13, the inner top of the glue injection seat 15 is provided with an electric heating plate, and a power supply device is provided inside the frame body of the frame 1.

[0029] like Fig.12 As shown, the outer arc surface of the glue injection seat 15 is fixedly connected to the storage seat 18, and the inner surface of the storage seat 18 is connected to the pad rod 19 through an elastic shaft.

[0030] like Figure 2 , 13As shown, the two sides of the frame 1 are slidably connected with the suspension rod 20, and the upper end of the middle rod of the suspension rod 20 is fixedly connected with an anti-slip block, the outside of the suspension rod 20 is slidably connected with an auxiliary cylinder block 21, and the auxiliary cylinder block 21 is fixedly connected to the outer surface of the frame 1, the outer surface of the auxiliary cylinder block 21 is fixedly connected with an anti-collision sponge, and the lower end of the suspension rod 20 is fixedly connected with a rubber cutting knife 22, the auxiliary cylinder block 21 strengthens the support of the rubber cutting knife 22, and the colloid that may remain on the road surface can be sprayed with alcohol to remove the glue.

[0031] By adopting the above technical solution, when the device is drilling a hole, in order to prevent the crack from continuing to expand or forming a new crack, before drilling, the area around the hole can be cleaned first, the support arms 13 on both sides are rotated to the front side of the frame 1, and the two semicircular injection seats 15 are close to the hole. The screw rod 14 is turned by the hand wheel to lower the injection seat 15 until the pad rod 19 abuts against the ground, and the heated hot melt adhesive can be injected into the injection port 16. Due to the existence of the pad rod 19, the injection seat 15 will be spaced from the ground, and the colloid is injected into the injection seat 15. After that, it will gradually overflow along the gap, and the glue injection will gradually stop after overflowing. After the colloid solidifies, the colloid will reinforce the area around the hole. When use is completed, the slightly heated glue injection seat 15 can be pulled off the ground by turning the hand wheel. If the sticky part on the lower surface of the colloid is dirty, the support arm 13 can be rotated to the glue cutting knife 22. According to the glue cutting position on the lower surface of the glue injection seat 15, the suspension rod 20 can be lifted to allow the glue cutting knife 22 to cut off the sticky and dirty colloid from the appropriate position. When cutting the glue, the pad rod 19 can be retracted into the interior of the storage seat 18 to prevent obstruction to glue cutting.

[0032] like Figure 1 , 14 As shown, the lifting seat 4 is internally rotatably connected to a second screw rod 23, the outer cylindrical surface of the second screw rod 23 is spirally connected to a second nut seat 24, and the front surface of the second nut seat 24 is fixedly connected to the rear surface of the drilling rig 5, the lower end outer cylindrical surface of the second screw rod 23 is fixedly connected to a first bevel tooth 25, one side of the first bevel tooth 25 is meshingly connected to a second bevel tooth 26, and the second bevel tooth 26 is driven by an external hand wheel.

[0033] By adopting the above technical solution, the operator can control the lifting and lowering of the drilling rig 5 at a suitable position through the hand wheel. During lifting and lowering, the hand wheel can drive the second bevel gear 26 to rotate, and the second bevel gear 26 uses the first bevel gear 25 to drive the second screw rod 23 to rotate, thereby driving the second nut seat 24 to lift and lower.

[0034] like Fig.10 As shown, the second slide bars 27 are fixedly connected to both sides of the front surface of the lifting seat 4, and the mounting seat of the drilling rig 5 is limitedly slidably connected to the outside of the second slide bars 27, and the second slide bars 27 can improve the stability of the drilling rig 5.

[0035] Instructions for use: First, the ear seat 2, ear plate 3 and spring clamp seat 6 can be used to fold and erect the lifting seat 4, and the upper clamping unit 107 and the lower clamping unit 108 in the transmission mechanism 10 can be used to adjust the front and rear weight ratio of the vehicle body, and it can be applied to roads with various slopes to reduce the load of the motor 101 and extend the service life of the motor 101. The glue injection seat 15 can be used to reinforce the area around the hole in advance to prevent the road cracks from becoming larger or new cracks from forming. The glue cutting knife 22 can cut off the dirt adhering to the colloid, and the hand wheel can be used to control the drilling rig 5 to drill in or out.

[0036] The above is only a preferred specific implementation of the present invention; however, the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and its improved conception within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A road maintenance soil drilling device, comprising a frame (1) and an ear seat (2) fixedly connected to the front side of the upper surface of the frame (1), characterized in that: The inner surface of the ear seat (2) is rotatably connected to an ear plate (3), and the inner surface of the ear plate (3) is fixedly connected to a lifting seat (4). A drilling machine (5) is arranged in front of the lifting seat (4). A spring clamping seat (6) is installed on the front surface of the frame (1), and a clamping groove for the spring clamping seat (6) to be clamped is provided at the lower side of the outer surface of both sides of the lifting seat (4). A buffer pad (7) is fixedly connected to the rear side of the upper surface of the frame (1). A slide rail (8) is fixedly connected to the inner bottom of the frame (1), and a plurality of counterweight blocks (9) are arranged on the upper surface of the slide rail (8). A transmission mechanism (10) is arranged on the outer surface and inner surface of the frame (1).

2. A road maintenance soil layer drilling device according to claim 1, characterized in that: The transmission mechanism (10) comprises a motor (101) fixedly connected to the front inner surface of the frame (1); the output end of the motor (101) is fixedly connected to a driving gear (102); the inner surface of the frame (1) is rotatably connected to two first screw rods (103); the front end outer surface of the first screw rod (103) is fixedly connected to a driven gear (104); the outer surface of the first screw rod (103) is spirally connected to a first nut seat (105); the rear side of the upper surface of the first nut seat (105) is fixedly connected to a cross frame (106); the inner and outer parts of the cross frame (106) are jointly provided with an upper clamping unit (107); and the inner and lower parts of the counterweight (9) are jointly provided with a lower clamping unit (108).

3. A road maintenance soil layer drilling device according to claim 2, characterized in that: The upper clamping unit (107) comprises a limiting hole (1071) extending through the upper and lower surfaces of the cross frame (106); a clamping rod (1072) is slidably connected to the inside of the limiting hole (1071); a booster spring (1073) is fixedly connected to the lower surface of the cross frame (106); a spring sleeve is arranged outside the booster spring (1073); and a clamping hole (1074) is formed on the upper surface of each counterweight block (9).

4. A road maintenance soil layer drilling device according to claim 2, characterized in that: The lower clamping unit (108) comprises a pedal base plate (1081) rotatably connected to the front side of the lower surface of the frame (1) via a hinge, a plurality of first spring sheaths (1082) are symmetrically arranged on the upper surface of the pedal base plate (1081), and a spring and a limiting telescopic rod are arranged inside the first spring sheath (1082), a clamping block (1083) is fixedly connected to the upper surface of the first spring sheath (1082), and the clamping block (1083) is on the pedal base plate (1081). The design is symmetrical, the middle position of the lower surface of the counterweight block (9) is connected to the clamping hole (1074), and a clamping groove (1084) is provided inside, and the clamping block (1083) can be clamped inside the clamping groove (1084), and the inside of the clamping groove (1084) is slidably connected with a connecting rod (1085), and the lower surface of the treading base plate (1081) is abutted against a second spring sheath (1086), and a return spring is provided inside the second spring sheath (1086).

5. A road maintenance soil layer drilling device according to claim 2, characterized in that: A sleeve plate (11) is fixedly connected to the front side of the upper surface of the first nut seat (105), a support rod (12) is rotatably provided on the rear surface of the lifting seat (4), and the support rod (12) is adsorbed on the rear surface of the lifting seat (4) via a magnetic attraction block.

6. A road maintenance soil layer drilling device according to claim 1, characterized in that: Support arms (13) are rotatably connected to both sides of the front surface of the vehicle frame (1), a screw rod (14) is threadedly connected to the front end of the support arm (13), and a hand wheel is fixedly connected to the upper end of the screw rod (14), and a glue injection seat (15) is rotatably connected to the lower end of the screw rod (14), and a glue injection port (16) is provided on the upper surface of the glue injection seat (15) extending to the inner top, and a first slide rod (17) is fixedly connected to the upper surface of the glue injection seat (15) near the glue injection port (16) by screws, and the first slide rod (17) penetrates and is slidably connected to the inner surface of the support arm (13).

7. A road maintenance soil layer drilling device according to claim 6, characterized in that: The outer arc surface of the glue injection seat (15) is fixedly connected to a storage seat (18), and the inner surface of the storage seat (18) is connected to a cushion rod (19) via an elastic rotating shaft.

8. A road maintenance soil layer drilling device according to claim 1, characterized in that: The two sides of the frame (1) are slidably connected to suspension rods (20), and the upper end of the middle rod of the suspension rod (20) is fixedly connected to an anti-drop block, the outside of the suspension rod (20) is slidably connected to an auxiliary cylinder block (21), and the auxiliary cylinder block (21) is fixedly connected to the outer surface of the frame (1), the outer surface of the auxiliary cylinder block (21) is fixedly connected to an anti-collision sponge, and the lower end of the suspension rod (20) is fixedly connected to a rubber cutting knife (22).

9. A road maintenance soil layer drilling device according to claim 1, characterized in that: The lifting seat (4) is internally rotatably connected to a second screw rod (23); the outer cylindrical surface of the second screw rod (23) is spirally connected to a second nut seat (24); the front surface of the second nut seat (24) is fixedly connected to the rear surface of the drilling machine (5); the outer cylindrical surface of the lower end of the second screw rod (23) is fixedly connected to a first bevel tooth (25); one side of the first bevel tooth (25) is meshingly connected to a second bevel tooth (26); and the second bevel tooth (26) is driven by an external hand wheel.

10. A road maintenance soil layer drilling device according to claim 1, characterized in that: Second sliding bars (27) are fixedly connected to both sides of the front surface of the lifting seat (4), and the mounting seat of the drilling rig (5) is limitedly slidably connected to the outside of the second sliding bars (27).

Images