Troweling machine
By designing a connection mechanism including sliders, slide grooves, tenons and anti-slip roofs in the smear machine, the problem of bolts being easily rusted when replacing or repairing smear blades is solved, and the rapid disassembly and assembly of smear plates is improved.
Patent Information
- Application Number
- CN202421455134.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-25
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-06-25
AI Technical Summary
When the existing matte matte blade is replaced or repaired, the bolts are prone to rust in high humidity and corrosion environments, and it is difficult to quickly remove or install.
A connection mechanism including a connecting shaft, cross arm, cross groove, side groove, bottom groove, limit hole groove, smear plate, connecting strip, lock shaft and lock groove is designed. Through the cooperation of sliders, slide grooves, squeezers, squeezers and anti-slip top plates, the quick disassembly and assembly of the smear plate is achieved.
This device allows quick disassembly and assemble the smear plate, avoiding the rust problem of bolts in corrosive environments, and improving the maintenance efficiency of the smear machine.
Smart Images

Figure CN222893461U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of trowel machines for highway construction, in particular to a trowel machine. Background Art
[0002] Highway engineering refers to the survey, measurement, design, construction, maintenance, and management of highway structures. Trowels are commonly used in highway engineering equipment. They are machines for rough and fine finishing of concrete surfaces. The surface constructed by machines is smoother and flatter than that constructed by humans, and can greatly improve the density and wear resistance of the concrete surface.
[0003] The above device does not have a structure for quickly replacing the trowel blade of the trowel machine when in use, so that when the existing trowel machine is in use, in order to consider construction safety, the connection between the trowel blade and the trowel machine is mostly fixed with multiple bolts, so that when the trowel blade needs to be replaced or repaired, the bolts are easily rusted in a high humidity and corrosive environment and are difficult to remove, which is not convenient for quick disassembly or installation. Based on the deficiencies of the existing technology, the utility model designs a trowel machine. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides a trowel machine, which has the advantage of quickly replacing the trowel blade of the trowel machine.
[0005] The utility model provides the following technical solutions: a trowel machine, comprising a trowel machine body, a main arm is arranged on one side of the trowel machine body, and a connection mechanism for quickly removing a blade is arranged at the bottom of the trowel machine body;
[0006] A connecting mechanism, the connecting mechanism includes a connecting shaft, a cross arm, a cross groove, a side groove, a bottom groove, a limiting hole groove, a trowel plate, a connecting strip, a locking shaft and a locking groove, the connecting shaft is arranged at the bottom of the trowel machine body, the cross arm is fixedly connected to the side wall of the connecting shaft, the cross groove is arranged on the upper surface of the cross arm, the side grooves are arranged on both sides of the inner cavity of the cross groove, the bottom groove is arranged at the bottom of the cross arm, the limiting hole groove is penetrated and arranged between the cross groove and the side groove, the locking shaft is penetrated and inserted into the inside of the limiting hole groove, the connecting strip is fixedly connected to the bottom end of the locking shaft, the trowel plate is fixedly connected to the lower surface of the connecting strip, and the locking groove is arranged on the side wall of the locking shaft.
[0007] As a preferred technical solution of the utility model, the connecting mechanism also includes a lock, a slider, a slide groove, a tenon and an anti-slip top plate, the lock is fixedly connected to the upper surface of the cross arm, the slider is slidably connected to the inside of the cross groove, the slide groove is opened on the lower surface of the slider, the tenon is fixedly connected to the inner wall of the slide groove, and the anti-slip top plate is fixedly connected to the upper surface of the slider.
[0008] As a preferred technical solution of the utility model, a protective frame is fixedly connected to the bottom of the trowel machine body, the bottom of the protective frame is covered with a bottom support, a reducer is arranged at the bottom of the trowel machine body, and the bottom of the reducer is rotatably connected to a transmission shaft.
[0009] As a preferred technical solution of the utility model, the top of the main arm is fixedly connected to a handle, the handle is fixedly connected to a reinforcing rod, the reinforcing rod is fixedly connected to a control button, and both ends of the handle are fixedly connected to anti-slip sleeves.
[0010] As a preferred technical solution of the utility model, the transmission shaft is rotatably connected to the inside of the protective frame.
[0011] As a preferred technical solution of the utility model, the protection frame is internally rotatably connected with a connecting mechanism.
[0012] As a preferred technical solution of the utility model, the control button is electrically connected to the trowel machine body.
[0013] As a preferred technical solution of the utility model, the connecting shaft is fixedly connected to the bottom end of the transmission shaft, the sliding block is slidably connected to the inside of the side groove, the anti-slip top plate is slidably inserted in the lock buckle, the connecting strip is slidably inserted in the inside of the bottom groove, the lock shaft is slidably inserted in the inside of the slide groove, and the tenon is slidably engaged in the inside of the lock groove.
[0014] Compared with the prior art, the utility model has the following beneficial effects:
[0015] The trowel machine pushes the anti-skid top plate inwardly to drive the slider to move accordingly under the limit of the side groove and compress the trowel plate. When the slider moves inwardly, the slide groove and the tenon arranged at the bottom thereof move accordingly, and the tenon is pulled out from the inside of the lock groove to unlock the lock shaft. At this time, the lock groove can be pulled out from the slide groove and the limit hole groove to remove the trowel plate. After the trowel plate is repaired or replaced, the lock shaft is realigned to the bottom of the limit hole groove and pushed upwardly to reinsert it into the inside of the limit hole groove and the slide groove and loosen the anti-skid top plate. The anti-skid top plate and the slider move outwardly and reset under the push of the trowel plate, so that the tenon arranged at the bottom of the slider is re-engaged in the inside of the lock groove to lock the lock shaft and the trowel plate. The device is convenient for quickly disassembling and assembling the trowel plate. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the structure of the utility model trowel machine when viewed from above;
[0018] Figure 3 This is a schematic diagram of the main arm structure of the utility model;
[0019] Figure 4 This is a schematic diagram of the explosion structure of the connection mechanism of the utility model;
[0020] Figure 5 This is a schematic diagram of the cross-sectional structure of the slider of the utility model.
[0021] In the figure: 1. main body of the trowel machine; 101. protective frame; 102. bottom support; 103. reducer; 104. transmission shaft; 2. main arm; 201. handle; 202. reinforcing rod; 203. control button; 204. anti-slip sleeve; 3. connecting mechanism; 301. connecting shaft; 302. horizontal arm; 303. horizontal groove; 304. side groove; 305. bottom groove; 306. limiting hole groove; 307. locking buckle; 308. slider; 309. slide groove; 310. tenon; 311. anti-slip top plate; 312. trowel plate; 313. connecting strip; 314. locking shaft; 315. locking groove. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] See also Figure 1-5 A trowel machine comprises a trowel machine body 1, a main arm 2 is arranged on one side of the trowel machine body 1, a connecting mechanism 3 for quickly removing a blade is arranged at the bottom of the trowel machine body 1, a protective frame 101 is fixedly connected to the bottom of the trowel machine body 1, a bottom cover of the protective frame 101 is provided with a bottom support 102, a reducer 103 is arranged at the bottom of the trowel machine body 1, a transmission shaft 104 is rotatably connected to the bottom of the reducer 103, the transmission shaft 104 is rotatably connected to the inside of the protective frame 101, and the inside of the protective frame 101 is rotatably connected to the connecting mechanism 3.
[0024] See also Figure 4-5, connecting mechanism 3, connecting mechanism 3 includes connecting shaft 301, cross arm 302, cross groove 303, side groove 304, bottom groove 305, limiting hole groove 306, trowel plate 312, connecting strip 313, locking shaft 314 and locking groove 315, connecting shaft 301 is arranged at the bottom of trowel machine body 1, cross arm 302 is fixedly connected to the side wall of connecting shaft 301, cross groove 303 is arranged on the upper surface of cross arm 302, side groove 304 is arranged on both sides of the inner cavity of cross groove 303, bottom groove 305 is arranged at the bottom of cross arm 302, limiting hole groove 306 is penetrated and arranged between cross groove 303 and side groove 304, locking shaft 314 is penetrated and inserted in the inside of limiting hole groove 306, connecting strip 313 is fixedly connected to the bottom end of locking shaft 314, trowel plate 312 is fixedly connected to the lower surface of connecting strip 313, locking groove 315 The side wall of the locking shaft 314 is opened, and the connecting mechanism 3 also includes a lock buckle 307, a slider 308, a slide groove 309, a tenon 310 and an anti-slip top plate 311. The lock buckle 307 is fixedly connected to the upper surface of the cross arm 302, the slider 308 is slidably connected to the inside of the cross groove 303, the slide groove 309 is opened on the lower surface of the slider 308, the tenon 310 is fixedly connected to the inner wall of the slide groove 309, the anti-slip top plate 311 is fixedly connected to the upper surface of the slider 308, the connecting shaft 301 is fixedly connected to the bottom end of the transmission shaft 104, the slider 308 is slidably connected to the inside of the side groove 304, the anti-slip top plate 311 is slidably inserted in the lock buckle 307, the connecting strip 313 is slidably inserted into the inside of the bottom groove 305, the locking shaft 314 is slidably inserted into the inside of the slide groove 309, and the tenon 310 is slidably engaged in the inside of the locking groove 315.
[0025] By setting the trowel plate 312, the trowel machine body 1 can be used to control the rotation for troweling operation. By setting the locking shaft 314, the trowel plate 312 can be inserted into the limiting hole groove 306 to connect the trowel plate 312 with the cross arm 302. By setting the tenon 310 and the locking groove 315, the locking shaft 314 can be locked in the cross arm 302 to prevent the trowel plate 312 from falling. By setting the slider 308, the connection between the tenon 310 and the locking groove 315 can be controlled.
[0026] See also Figure 3 The top of the main arm 2 is fixedly connected with a handle 201, the handle 201 is fixedly connected with a reinforcing rod 202, the reinforcing rod 202 is fixedly connected with a control button 203, both ends of the handle 201 are fixedly connected with anti-slip sleeves 204, and the control button 203 is electrically connected to the trowel machine body 1.
[0027] The handle 201 and the main arm 2 are provided to control the movement of the trowel machine body 1 to perform troweling operations, and the control button 203 is provided to control the start and stop of the trowel machine body 1 .
[0028] Working principle: when a trowel machine is used, in the initial state, first, a connecting mechanism 3 is installed at the bottom of the trowel machine body 1, and a handle 201 and an anti-slip cover 204 are connected to the top of the main arm 2 arranged on one side of the trowel machine body 1, and a control button 203 connected thereto through a reinforcing rod 202 is arranged on the inner side of the handle 201, so as to hold the anti-slip cover 204 to control the trowel machine body 1 to start the connecting mechanism 3 for troweling operation, and at the same time, a protective frame 101 arranged at the bottom of the trowel machine body 1 can effectively protect the equipment and personnel;
[0029] When it is necessary to quickly disassemble the trowel plate 312, first push the anti-skid top plate 311 inward to drive the slider 308 to move under the limit of the side groove 304 and compress the trowel plate 312. When the slider 308 moves inward, the slide groove 309 and the tenon 310 provided at the bottom thereof move accordingly, and the tenon 310 is pulled out from the inside of the lock groove 315 to unlock the lock shaft 314. At this time, the lock groove 315 can be pulled out from the slide groove 309 and the limit hole groove 306 to remove the trowel plate 312 for inspection or replacement. After replacing the smoothing plate 312, the locking shaft 314 is realigned with the bottom of the limiting hole groove 306 and pushed upward to reinsert it into the limiting hole groove 306 and the sliding groove 309 and loosen the anti-slip top plate 311. The anti-slip top plate 311 and the slider 308 move outward and reset under the push of the smoothing plate 312, so that the tenon 310 set at the bottom of the slider 308 is re-engaged in the locking groove 315 to lock the locking shaft 314 and the smoothing plate 312. This device is convenient for quick disassembly and assembly of the smoothing plate 312.
[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A trowel machine, comprising a trowel machine body (1), characterized in that: A main arm (2) is provided on one side of the trowel machine body (1), and a connection mechanism (3) for facilitating quick removal of a blade is provided at the bottom of the trowel machine body (1); A connecting mechanism (3), the connecting mechanism (3) comprising a connecting shaft (301), a cross arm (302), a cross groove (303), a side groove (304), a bottom groove (305), a limit hole groove (306), a trowel plate (312), a connecting strip (313), a locking shaft (314) and a locking groove (315), the connecting shaft (301) being arranged at the bottom of a trowel machine body (1), the cross arm (302) being fixedly connected to a side wall of the connecting shaft (301), the cross groove (303) being arranged on an upper surface of the cross arm (302), and the side The grooves (304) are formed on both sides of the inner cavity of the transverse groove (303); the bottom groove (305) is formed at the bottom of the transverse arm (302); the position-limiting hole groove (306) is formed between the transverse groove (303) and the side groove (304); the locking shaft (314) is inserted into the position-limiting hole groove (306); the connecting strip (313) is fixedly connected to the bottom end of the locking shaft (314); the smearing plate (312) is fixedly connected to the lower surface of the connecting strip (313); and the locking groove (315) is formed on the side wall of the locking shaft (314).
2. A trowel machine according to claim 1, characterized in that: The connection mechanism (3) further comprises a lock (307), a slider (308), a slide groove (309), a tenon (310) and an anti-slip top plate (311); the lock (307) is fixedly connected to the upper surface of the cross arm (302); the slider (308) is slidably connected to the inside of the cross groove (303); the slide groove (309) is provided on the lower surface of the slider (308); the tenon (310) is fixedly connected to the inner wall of the slide groove (309); and the anti-slip top plate (311) is fixedly connected to the upper surface of the slider (308).
3. A trowel machine according to claim 1, characterized in that: The bottom of the trowel machine body (1) is fixedly connected to a protective frame (101), the bottom of the protective frame (101) is covered with a bottom bracket (102), the bottom of the trowel machine body (1) is provided with a reducer (103), and the bottom of the reducer (103) is rotatably connected to a transmission shaft (104).
4. A trowel machine according to claim 1, characterized in that: The top end of the main arm (2) is fixedly connected to a handle (201), a reinforcing rod (202) is fixedly connected to the handle (201), a control button (203) is fixedly connected to the reinforcing rod (202), and anti-slip sleeves (204) are fixedly connected to both ends of the handle (201).
5. A trowel machine according to claim 3, characterized in that: The transmission shaft (104) is rotatably connected to the interior of the protection frame (101).
6. A trowel machine according to claim 3, characterized in that: The protection frame (101) is internally rotatably connected to a connection mechanism (3).
7. A trowel machine according to claim 4, characterized in that: The control button (203) is electrically connected to the trowel machine body (1).
8. A trowel machine according to claim 2, characterized in that: The connecting shaft (301) is fixedly connected to the bottom end of the transmission shaft (104), the sliding block (308) is slidably connected to the inside of the side groove (304), the anti-slip top plate (311) is slidably inserted into the lock buckle (307), the connecting strip (313) is slidably inserted into the inside of the bottom groove (305), the locking shaft (314) is slidably inserted into the inside of the sliding groove (309), and the tenon (310) is slidably inserted into the inside of the locking groove (315).