Trench excavation device for municipal engineering construction
The design of the second drive mechanism, insert block, and pin rod solves the problem of complex excavator cutterhead installation in existing technologies, enabling rapid replacement and improving construction efficiency.
Patent Information
- Application Number
- CN202520176891.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-31
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-01-31
AI Technical Summary
In existing municipal engineering construction, the installation and disassembly process of excavator cutterheads is complicated, making cutterhead replacement inconvenient and affecting the construction progress.
The second drive mechanism drives the side movable plate to press the shaft between the side fixed plate and the side movable plate. Combined with the design of rectangular insert blocks and pin rods, it realizes the quick installation and disassembly of the shaft and the excavator cutter head, avoiding the traditional bolt tightening operation.
It enables rapid replacement of the excavator cutterhead, improves construction efficiency, simplifies the installation and disassembly process of the cutterhead, and speeds up the construction progress.
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Figure CN223813782U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to municipal engineering construction device technical field, concretely is a municipal engineering construction trench excavating device. BACKGROUND
[0002] Municipal engineering construction refers to various engineering activities carried out for the construction and maintenance of urban infrastructure. These activities include, but are not limited to, the construction and maintenance of roads, bridges, tunnels, drainage systems, water supply systems, sewage treatment facilities, public transportation systems, lighting systems, and parks and green spaces. The goal of municipal engineering construction is to improve the quality of urban life, ensure the convenience and safety of citizens, and promote the sustainable development of cities.
[0003] Before municipal pipe construction, pipeline trench excavation is required. The existing trench excavation mostly uses disc trenchers, which use rotating excavating cutters to achieve trench excavation. Different depths and widths of trenches require different sizes of excavating cutters for excavation. Therefore, the excavating cutter of the existing disc trencher is designed to be replaceable. However, the existing excavating cutter installation method is complex, resulting in a time-consuming and labor-intensive disassembly process, which is not conducive to quick cutter replacement and affects construction progress. SUMMARY
[0004] The utility model aims to provide a municipal engineering construction trench excavating device that facilitates quick cutter replacement, effectively solving the problems raised in the background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions.
[0006] A municipal engineering construction trench excavating device includes a moving frame and an excavating cutter. The excavating cutter is provided with multiple models. Each excavating cutter is fixed with a shaft rod. A first driving mechanism is installed on the mounting table of the moving frame. A suspension plate is installed below the mounting table through the first driving mechanism. The first driving mechanism is used to drive the suspension plate to adjust the height. A side fixed plate is fixed to one side of the suspension plate. A side movable plate is installed at the other end of the suspension plate through a second driving mechanism arranged in the suspension plate. The suspension plate drives the side movable plate to move left and right. The shaft rod and the excavating cutter are arranged between the side fixed plate and the side movable plate. The second driving mechanism drives the side movable plate to move closer to the side fixed plate, which can press the shaft rod between the side fixed plate and the side movable plate. A driving motor is fixedly installed on the side fixed plate. The driving motor provides driving force for the rotation of the shaft rod.
[0007] Therefore, the shaft rod is pressed and assembled between the side fixed plate and the side movable plate by the second driving mechanism, compared with the traditional fixing mode by bolts, the bolt screwing adjustment is not needed by using tools, the bolts of multiple points are not needed to be screwed and adjusted, the installation and dismounting of the shaft rod and the excavating cutterhead are more rapid, and then the rapid replacement of the excavating cutterhead is facilitated.
[0008] Further, the connecting seat is fixed on the output shaft of the driving motor, the rectangular insertion hole is arranged on the connecting seat, the rectangular insertion block is fixed on one end of the shaft rod, and the rectangular insertion block is matched and clamped in the rectangular insertion hole when the shaft rod is pressed and assembled in place.
[0009] Further, the first flange plate is rotatably installed on the side movable plate, the insertion pins are uniformly distributed on the first flange plate, the second flange plate is fixed on the end of the shaft rod away from the rectangular insertion block, insertion holes are uniformly distributed on the second flange plate, and each insertion pin is matched and inserted in the insertion hole one by one when the shaft rod is pressed and assembled in place.
[0010] Further, the second driving mechanism comprises a second electric push cylinder and a sliding seat, the inner cavity is arranged in the hanging plate, the sliding groove is arranged in one side end of the hanging plate and communicates with the inner cavity, the second electric push cylinder is horizontally fixed in the inner cavity, the sliding seat is fixed on the telescopic rod end of the inner cavity, the sliding seat slides through the sliding groove and extends to the outer side of the hanging plate, and the side movable plate is fixed on the outer end of the sliding seat.
[0011] Further, the first driving mechanism adopts a first electric push cylinder, the first electric push cylinder is vertically fixed above the mounting table, the telescopic rod of the first electric push cylinder extends through and reaches below the mounting table, and the hanging plate is fixed on the telescopic rod end of the first electric push cylinder.
[0012] Further, the mounting table is provided with a pair of sliding holes, the guide rods are slidably and throughly arranged in the sliding holes, and the top ends of the guide rods are fixed to the upper surface of the hanging plate.
[0013] Compared with the prior art, the utility model has the advantages as follows.
[0014] The utility model discloses a second driving mechanism drives the side movable plate and presses and assembles the shaft rod between the side fixed plate and the side movable plate, compared with the traditional fixing mode by bolts, the bolt screwing adjustment is not needed by using tools, the bolts of multiple points are not needed to be screwed and adjusted, the installation and dismounting of the shaft rod and the excavating cutterhead are more rapid, and then the rapid replacement of the excavating cutterhead is facilitated.
[0015] When the shaft rod is pressed and assembled between the side fixed plate and the side movable plate, the rectangular insertion block at one end of the shaft rod is matched and clamped in the rectangular insertion hole in advance, the transmission connection effect is achieved, the rectangular insertion block can be quickly assembled in the rectangular insertion hole and also can be quickly disassembled from the rectangular insertion hole, compared with the traditional shaft coupling, the dismounting convenience of the shaft rod is further improved.
[0016] The utility model discloses a bolt rod is inserted into the jack one to one, and the positioning effect is played, can first flange plate and second flange plate fixedly connect, and first flange plate rotatory installation is on side movable plate, make the shaft pole other end possess the ability of rotation, and the bolt rod can be inserted into the jack fast, can also be taken out from the jack fast. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is one of the whole structure perspective view of the utility model;
[0018] Figure 2 It is the second whole structure perspective view of the utility model;
[0019] Figure 3 It is the suspension plate structure installation schematic view in the utility model;
[0020] Figure 4 It is the shaft pole structure installation schematic view in the utility model.
[0021] In the drawing: 1, mobile frame;11, installation platform;2, suspension plate;3, first drive mechanism;31, first electric push cylinder;32, guide rod;321, sliding hole;4, side fixed plate;5, drive motor;51, connecting seat;52, rectangular insertion hole;53, rectangular insertion block;6, side movable plate;61, first flange plate;611, bolt rod;7, second drive mechanism;701, inner cavity;702, sliding groove;71, second electric push cylinder;72, sliding seat;8, shaft pole;81, second flange plate;811, jack;9, excavating cutter head. DETAILED DESCRIPTION
[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.
[0023] In the description of the embodiments of the utility model, it needs to explain, unless another explicit stipulation and limitation, the term, "connect", "install" should do the broad sense understanding, for example, "connect" can be detachably connected, also can be not detachably connected, can be direct connection, also can be indirectly connected through the intermediate medium. In addition, "communication" can be direct communication, also can be indirectly communicated through the intermediate medium. Among them, "fix" refers to the relative position relation of each other connection and after connection. The orientation language mentioned in the embodiments of the utility model, for example, "in", "out", "top", "bottom" and so on, only is the direction of reference drawing, therefore, the orientation language used is for better, more clearly illustrate and understand the embodiments of the utility model, and is not indicated or implied that the device or element indicated must have a particular orientation, construct and operate with a particular orientation, therefore, cannot be understood as the limitation of the embodiments of the utility model.
[0024] In the embodiments of the utility model, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implying the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more features.
[0025] Please refer to Figures 1-4 The utility model provides a kind of municipal engineering construction trench excavating device, including moving frame 1 and excavating cutterhead 9, excavating cutterhead 9 is equipped with multiple models, each excavating cutterhead 9 is fixed with shaft 8, and each excavating cutterhead 9 is different in width and diameter.
[0026] First drive mechanism 3 is arranged on the mounting table 11 of moving frame 1, and the suspension plate 2 is installed below the mounting table 11 by the first drive mechanism 3, the first drive mechanism 3 is used to drive the suspension plate 2 to adjust the lifting, one side of the suspension plate 2 is fixed with the side fixed plate 4, the other end of the suspension plate 2 is installed with the side movable plate 6 by the second drive mechanism 7 arranged in the suspension plate 2, the suspension plate 2 is used to drive the side movable plate 6 to translate left and right, the shaft 8 and excavating cutterhead 9 are arranged between the side fixed plate 4 and the side movable plate 6, the side movable plate 6 is driven to the side of the side fixed plate 4 by the second drive mechanism 7, and the shaft 8 can be pressed and assembled between the side fixed plate 4 and the side movable plate 6, the drive motor 5 is fixedly installed on the side fixed plate 4, and the drive motor 5 is used to provide driving for the rotation of the shaft 8.
[0027] The shaft 8 and the digging cutter head 9 are arranged between the side fixed plate 4 and the side movable plate 6 by moving the side movable plate 6 away from the side fixed plate 4 through the second driving mechanism 7, and then the shaft 8 is pressed and mounted between the side fixed plate 4 and the side movable plate 6 by moving the side movable plate 6 to the side of the side fixed plate 4, so that the digging cutter head 9 is mounted, and the shaft 8 and the digging cutter head 9 are driven to rotate by the driving motor 5 as a driving source, and the suspension plate 2, the shaft 8 and the digging cutter head 9 are driven to move downward as a whole by the first driving mechanism 3, so that the trench is excavated.
[0028] When the digging cutter head 9 is disassembled and replaced, the shaft 8 is dismounted by moving the side movable plate 6 away from the side fixed plate 4 through the second driving mechanism 7, and then the shaft 8 and the digging cutter head 9 are dismounted, and after another type of digging cutter head 9 is replaced, the above mounting is repeated, so that the digging cutter head 9 is disassembled and replaced.
[0029] The shaft 8 is pressed and mounted between the side fixed plate 4 and the side movable plate 6 by the second driving mechanism 7, compared with the traditional bolt fixing mode, the bolts do not need to be rotated and adjusted by tools, and the bolts at multiple points do not need to be rotated and adjusted, so that the mounting and dismounting of the shaft 8 and the digging cutter head 9 are faster, and the digging cutter head 9 is replaced quickly.
[0030] Specifically, the driving motor 5 is fixed on the output shaft and has a connecting seat 51, the connecting seat 51 is provided with a rectangular insertion hole 52, one end of the shaft 8 is fixed with a rectangular insertion block 53, when the shaft 8 is pressed and mounted in place, the rectangular insertion block 53 is matched and clamped in the rectangular insertion hole 52, when the shaft 8 is pressed and mounted between the side fixed plate 4 and the side movable plate 6, the rectangular insertion block 53 at one end of the shaft 8 is matched and clamped in the rectangular insertion hole 52 in advance, so as to realize transmission connection, after the shaft 8 is pressed and mounted in place, the shaft 8 is driven to rotate under the transmission of the rectangular insertion hole 52 and the rectangular insertion block 53 on the connecting seat 51 by the driving motor 5, the rectangular insertion block 53 can be quickly inserted into the rectangular insertion hole 52 and also can be quickly dismounted from the rectangular insertion hole 52, compared with the traditional shaft coupling, the dismounting convenience of the shaft 8 is further improved.
[0031] Specific, the side movable plate 6 is rotatably provided with a first flange plate 61, the first flange plate 61 is uniformly provided with a plurality of bolt rods 611, the second flange plate 81 is fixed to the end of the shaft 8 away from the rectangular plug-in block 53, the second flange plate 81 is uniformly provided with a plurality of insertion holes 811, when the shaft 8 is pressed into place, each bolt rod 611 is correspondingly matched and inserted into the insertion hole 811, the bolt rod 611 is correspondingly inserted into the insertion hole 811, thereby achieving the positioning effect, the first flange plate 61 and the second flange plate 81 are fixedly connected, and the first flange plate 61 is rotatably provided on the side movable plate 6, so that the other end of the shaft 8 has the rotation ability, the bolt rod 611 can be quickly inserted into the insertion hole 811 and quickly removed from the insertion hole 811.
[0032] Specifically, the second driving mechanism 7 includes a second electric push cylinder 71 and a sliding seat 72, the suspension plate 2 is provided with an inner cavity 701, one side end of the suspension plate 2 is provided with a sliding groove 702 communicating with the inner cavity 701, the second electric push cylinder 71 is horizontally fixed in the inner cavity 701, the sliding seat 72 is fixed on the telescopic rod end of the inner cavity 701, and the sliding seat 72 slidably penetrates the sliding groove 702 and extends to the outer side of the suspension plate 2, the side movable plate 6 is fixed on the outer end of the sliding seat 72, and the second electric push cylinder 71 is telescoped to drive the sliding seat 72 to slide in the sliding groove 702, and drive the side movable plate 6 to move synchronously, thereby providing driving for the distance adjustment of the side movable plate 6 and the side fixed plate 4.
[0033] Specifically, the first driving mechanism 3 adopts a first electric push cylinder 31, the first electric push cylinder 31 is vertically fixed above the mounting table 11, the telescopic rod of the first electric push cylinder 31 extends to below the mounting table 11, and the suspension plate 2 is fixed on the telescopic rod end of the first electric push cylinder 31, the first electric push cylinder 31 is telescoped to drive the suspension plate 2 to move synchronously, thereby providing driving for the lifting adjustment of the suspension plate 2.
[0034] Specifically, the mounting table 11 is provided with a pair of sliding holes 321, a guide rod 32 is slidably and penetrably arranged in each sliding hole 321, and the top end of each guide rod 32 is fixed to the upper surface of the suspension plate 2. During the lifting adjustment of the suspension plate 2, the guide rod 32 and the sliding hole 321 are slidably matched to play a guiding and limiting role, thereby ensuring that the lifting process of the suspension plate 2 is smooth and stable.
[0035] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.
Claims
1. A municipal engineering construction trench excavating device, comprising a moving frame (1) and a digging cutter head (9), wherein the digging cutter head (9) is provided with a plurality of types, and an axle shaft (8) is fixedly arranged on each digging cutter head (9), characterized in that: a first driving mechanism (3) is arranged on a mounting table (11) of the moving frame (1), and a suspension plate (2) is arranged below the mounting table (11) through the first driving mechanism (3), wherein the first driving mechanism (3) is used for driving the suspension plate (2) to perform lifting adjustment; a side fixed plate (4) is fixedly arranged on one side of the suspension plate (2), and a side movable plate (6) is arranged on the other end of the suspension plate (2) through a second driving mechanism (7) arranged in the suspension plate (2), wherein the suspension plate (2) is used for driving the side movable plate (6) to perform left-right translation; the axle shaft (8) and the digging cutter head (9) are arranged between the side fixed plate (4) and the side movable plate (6), and the side movable plate (6) is driven to move close to the side fixed plate (4) through the second driving mechanism (7), so that the axle shaft (8) is press-fitted between the side fixed plate (4) and the side movable plate (6); and a driving motor (5) is fixedly arranged on the side fixed plate (4), wherein the driving motor (5) is used for providing driving for rotation of the axle shaft (8).
2. The municipal engineering construction trench excavating device according to claim 1, characterized in that: a connecting seat (51) is fixedly arranged on an output shaft of the driving motor (5), and a rectangular insertion hole (52) is arranged on the connecting seat (51); and a rectangular insertion block (53) is fixedly arranged on one end of the axle shaft (8), wherein when the axle shaft (8) is press-fitted in place, the rectangular insertion block (53) is matched and clamped in the rectangular insertion hole (52).
3. The municipal engineering construction trench excavating device according to claim 2, characterized in that: a first flange plate (61) is rotatably arranged on the side movable plate (6), and a plurality of insertion pins (611) are uniformly arranged on the first flange plate (61); a second flange plate (81) is fixedly arranged on an end portion of the axle shaft (8) away from the rectangular insertion block (53), and a plurality of insertion holes (811) are uniformly arranged on the second flange plate (81); and when the axle shaft (8) is press-fitted in place, each insertion pin (611) is matched and clamped in one of the insertion holes (811).
4. The municipal engineering construction trench excavating device according to claim 1, characterized in that: the second driving mechanism (7) comprises a second electric push cylinder (71) and a sliding seat (72); an inner cavity (701) is arranged in the suspension plate (2), and a sliding groove (702) is arranged on one side end of the suspension plate (2) and penetrates the inner cavity (701); the second electric push cylinder (71) is horizontally fixed in the inner cavity (701), the sliding seat (72) is fixed on an end portion of a telescopic rod of the inner cavity (701), and the sliding seat (72) slides through the sliding groove (702) and extends to an outer side portion of the suspension plate (2). The side movable plate (6) is fixed on the outer end of the sliding base (72).
5. The device for excavating trench for municipal engineering construction according to claim 1, characterized in that: The first driving mechanism (3) is a first electric push cylinder (31). The first electric push cylinder (31) is vertically fixed above the mounting table (11), the telescopic rod of the first electric push cylinder (31) extends through to below the mounting table (11), and the suspension plate (2) is fixed on the end of the telescopic rod of the first electric push cylinder (31).
6. The device for excavating trench for municipal engineering construction according to claim 1, characterized in that: The mounting table (11) is provided with a pair of sliding holes (321), and a guide rod (32) is slidably installed in each of the sliding holes (321). The top end of each of the guide rods (32) is fixed to the upper surface of the suspension plate (2).