A joint cutting device for civil structure construction

Abstract

The utility model discloses a kind of cutting joint devices for civil structure building construction, it is related to building construction technical field;The utility model includes fixed frame, the lower surface four corners of fixed frame are uniformly fixedly installed with universal wheel, one end of fixed frame is fixedly installed with push rod, slidingly installed with sliding frame on fixed frame, slidingly installed with lifting rod in sliding frame, first screw rod is threadedly inserted in sliding frame upper, the lower surface slidingly installed with protective shell of lifting rod, cutting piece is rotatably installed in protective shell, first motor is fixedly installed on protective shell, third screw rod is rotatably installed in lifting rod, second motor is fixedly installed at one end of lifting rod, moving assembly and water spraying assembly are installed on fixed frame;In the utility model, according to the depth of need cutting, using first screw rod drives lifting rod to slide in sliding frame and descend to specified position, lifting rod drives cutting piece to descend and carries out cutting joint to concrete ground, to improve the applicability of device.

Description

Technical Field

[0001] This utility model relates to the field of building construction technology, specifically a cutting device for civil engineering structure construction. Background Technology

[0002] Civil engineering refers to the planning, construction, and maintenance of all infrastructure related to water, soil, and culture. Currently, typical civil engineering projects include: housing, roads, waterworks, canals, flood control, and transportation. After construction, to allow space for the expansion and contraction of building materials such as concrete floors, it is necessary to create joints in the concrete floor. These joints reduce cracking caused by the expansion and contraction of the building materials and increase the friction of the concrete during use.

[0003] Some existing grooving devices for civil engineering construction cannot adjust the position of the cutting blade according to the required groove depth, resulting in low applicability. Moreover, during the grooving process, the position of the cutting blade is usually moved manually according to the grooving gap, which can easily lead to poor grooving accuracy. Utility Model Content

[0004] In order to solve the problem that some existing grooving devices used in civil engineering construction cannot adjust the position of the cutting blade according to the required groove depth, resulting in low applicability, the purpose of this utility model is to provide a grooving device for civil engineering construction.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a cutting device for civil engineering construction, comprising a fixed frame, universal wheels fixedly installed at the four corners of the lower surface of the fixed frame, a push rod fixedly installed at one end of the fixed frame, a sliding frame slidably installed on the fixed frame, a lifting rod slidably installed inside the sliding frame, a first lead screw threaded into the sliding frame, the bottom end of the first lead screw being rotatably connected to the upper surface of the lifting rod, a protective shell slidably installed on the lower surface of the lifting rod, a cutting blade rotatably installed inside the protective shell, a first motor fixedly installed on the protective shell, the output end of the first motor being fixedly connected to one end of the rotating shaft of the cutting blade, a third lead screw rotatably installed inside the lifting rod, the third lead screw being threaded into the top end of the protective shell, a second motor fixedly installed at one end of the lifting rod, the output end of the second motor being fixedly connected to one end of the third lead screw, and a moving component and a water spraying component installed on the fixed frame.

[0006] Preferably, the moving component includes a drive shaft, which is rotatably mounted on one end of a fixed frame. Worms are fixedly mounted on both ends of the drive shaft. Second lead screws are rotatably mounted on both sides of the fixed frame, and the second lead screws are threaded into the bottom end of a sliding frame. Worm wheels are fixedly mounted on one end of each of the two second lead screws, and the worm wheels mesh with the corresponding worms. A third motor is fixedly mounted on one end of the fixed frame, and the output end of the third motor is fixedly connected to one end of the drive shaft.

[0007] Preferably, the water spray assembly includes a water tank, which is fixedly installed at one end of a fixed frame. An inlet pipe is fixedly installed at the top of the water tank, and a delivery pipe is fixedly installed on the water tank. One end of the delivery pipe is connected to the inside of the protective shell. A water pump is fixedly installed at the top of the water tank, and the output end of the water pump is connected to the inside of the delivery pipe.

[0008] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0009] 1. In this utility model, according to the required cutting depth, the first lead screw drives the lifting rod to slide down to the designated position in the sliding frame, and the lifting rod drives the cutting blade down to cut the concrete ground, thereby improving the applicability of the device;

[0010] 2. In this utility model, the second motor drives the third lead screw to rotate according to the gap between adjacent cuts. The third lead screw drives the protective shell and the cutting blade to move horizontally along the lifting rod to adjust the position of the cutting blade. Compared with manual adjustment, the cutting accuracy is improved. Attached Figure Description

[0011] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0013] Figure 2 This is a schematic diagram of the cross-sectional structure of the fixed frame of this utility model;

[0014] Figure 3 This utility model Figure 2 Enlarged schematic diagram of the structure at point A in the middle;

[0015] Figure 4 This is a schematic diagram of the cross-sectional structure of the sliding frame and lifting rod of this utility model;

[0016] Figure 5 This is a schematic cross-sectional view of the protective shell of this utility model.

[0017] In the diagram: 1. Fixed frame; 2. Casters; 3. Push rod; 4. Sliding frame; 5. Lifting rod; 6. First lead screw; 8. Protective shell; 9. Cutting disc; 10. First motor; 11. Second motor; 12. Water spray assembly; 121. Water tank; 122. Water inlet pipe; 123. Water pump; 124. Water delivery pipe; 13. Moving assembly; 131. Drive shaft; 132. Second lead screw; 133. Worm gear; 134. Worm; 135. Third motor; 14. Third lead screw. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Example: Figure 1-5As shown, this utility model provides a cutting device for civil engineering construction, including a fixed frame 1. Universal wheels 2 are fixedly installed at the four corners of the lower surface of the fixed frame 1, each universal wheel 2 having a built-in braking mechanism. A push rod 3 is fixedly installed at one end of the fixed frame 1. A sliding frame 4 is slidably installed on the fixed frame 1. A lifting rod 5 is slidably installed inside the sliding frame 4. A first lead screw 6 is threaded into the sliding frame 4, and the bottom end of the first lead screw 6 is rotatably connected to the upper surface of the lifting rod 5. A protective shell 8 is slidably installed on the lower surface of the lifting rod 5. A cutting blade 9 is rotatably installed inside the protective shell 8. A first motor 10 is fixedly installed on the protective shell 8, and the output end of the first motor 10 is fixedly connected to one end of the rotating shaft of the cutting blade 9. A third lead screw 14 is rotatably installed inside the lifting rod 5, and the third lead screw 14 is threaded into the top end of the protective shell 8. A second motor 11 is fixedly installed at one end of the lifting rod 5, and the output end of the second motor 11 is fixedly connected to one end of the third lead screw 14. The fixed frame 1 is equipped with a moving component 13 and a water spraying component 12. The device is moved to the concrete floor area to be cut using the push rod 3 and the universal wheels 2, so that the fixed frame 1 is parallel to the concrete floor and the universal wheels 2 are stopped. The first motor 10 can drive the cutting blade 9 to rotate inside the protective shell 8. Then, according to the required cutting depth, the first lead screw 6 drives the lifting rod 5 to slide down to the designated position inside the sliding frame 4. The lifting rod 5 drives the cutting blade 9 to descend and cut the concrete floor. The moving component 13 can drive the sliding frame 4 and the cutting blade 9 to move longitudinally and horizontally back and forth to cut the concrete floor. According to the gap between adjacent cuts, the second motor 11 drives the third lead screw 14 to rotate. The third lead screw 14 drives the protective shell 8 and the cutting blade 9 to move laterally and horizontally along the lifting rod 5 to adjust the position of the cutting blade 9. Compared with manual adjustment, the cutting accuracy is improved. During cutting, the water spraying component 12 can be used to cool the cutting blade 9.

[0020] The moving component 13 includes a drive shaft 131, which is rotatably mounted on one end of the fixed frame 1. Worms 134 are fixedly mounted on both ends of the drive shaft 131. Second lead screws 132 are rotatably mounted on both sides of the fixed frame 1, and the second lead screws 132 are threaded into the bottom end of the sliding frame 4. Worm wheels 133 are fixedly mounted on one end of each of the two second lead screws 132, and the worm wheels 133 mesh with the corresponding worms 134. A third motor 135 is fixedly mounted on one end of the fixed frame 1, and the output end of the third motor 135 is fixedly connected to one end of the drive shaft 131. The third motor 135 can drive the drive shaft 131 to rotate, the drive shaft 131 drives the worm 134 to rotate, the worm 134 drives the worm wheel 133 to rotate, and the worm wheel 133 drives the second lead screws 132 to rotate. The second lead screws 132 drive the sliding frame 4 and the cutting blade 9 to move horizontally back and forth along the longitudinal direction of the fixed frame 1 to cut the concrete ground.

[0021] The water spray assembly 12 includes a water tank 121, which is fixedly installed at one end of the fixed frame 1. A water inlet pipe 122 is fixedly installed at the top of the water tank 121, and a water delivery pipe 124 is fixedly installed on the water tank 121. One end of the water delivery pipe 124 is connected to the inside of the protective shell 8. A water pump 123 is fixedly installed at the top of the water tank 121. The output end of the water pump 123 is connected to the inside of the water delivery pipe 124. Water can be injected into the water tank 121 through the water inlet pipe 122, and the water in the water tank 121 is sprayed onto the cutting blade 9 inside the protective shell 8 through the water delivery pipe 124 by the water pump 123 to cool the cutting blade 9.

[0022] Working principle: When in use, the device is moved to the concrete floor area to be cut using the push rod 3 and the universal wheel 2, so that the fixed frame 1 is parallel to the concrete floor and the universal wheel 2 is stopped. The first motor 10 can drive the cutting blade 9 to rotate inside the protective shell 8. Then, according to the required cutting depth, the first lead screw 6 drives the lifting rod 5 to slide down to the designated position inside the sliding frame 4. The lifting rod 5 drives the cutting blade 9 to descend and cut the concrete floor. The third motor 135 can drive the drive shaft 131 to rotate, the drive shaft 131 drives the worm gear 134 to rotate, the worm gear 134 drives the worm wheel 133 to rotate, the worm wheel 133 drives the second lead screw 132 to rotate, and the second lead screw 132 drives the sliding frame 4 and the cutting blade 9 to move horizontally back and forth along the longitudinal direction of the fixed frame 1 to cut the concrete floor.

[0023] According to the gap between adjacent cuts, the second motor 11 drives the third lead screw 14 to rotate. The third lead screw 14 drives the protective shell 8 and the cutting blade 9 to move horizontally along the lifting rod 5 to adjust the position of the cutting blade 9. Compared with manual adjustment, the cutting accuracy is improved. During cutting, the water pump 123 can spray water in the water tank 121 through the water pipe 124 onto the cutting blade 9 inside the protective shell 8 to cool the cutting blade 9.

[0024] All standard parts used in this invention can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here.

[0025] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. A cutting device for civil engineering construction, comprising a fixed frame (1), characterized in that: Universal wheels (2) are fixedly installed at the four corners of the lower surface of the fixed frame (1). A push rod (3) is fixedly installed at one end of the fixed frame (1). A sliding frame (4) is slidably installed on the fixed frame (1). A lifting rod (5) is slidably installed inside the sliding frame (4). A first lead screw (6) is threaded into the sliding frame (4), and the bottom end of the first lead screw (6) is rotatably connected to the upper surface of the lifting rod (5). A protective shell (8) is slidably installed on the lower surface of the lifting rod (5). A cutting blade (9) is rotatably installed inside the protective shell (8). The protective shell (8) is fixedly installed with a first motor (10), and the output end of the first motor (10) is fixedly connected to one end of the rotating shaft of the cutting blade (9). The lifting rod (5) is rotatably installed with a third lead screw (14), and the third lead screw (14) is threaded into the top of the protective shell (8). The lifting rod (5) is fixedly installed with a second motor (11), and the output end of the second motor (11) is fixedly connected to one end of the third lead screw (14). The fixed frame (1) is installed with a moving component (13) and a water spraying component (12).

2. The cutting device for civil engineering structure construction as described in claim 1, characterized in that, The moving component (13) includes a drive shaft (131), which is rotatably mounted on one end of the fixed frame (1), and worm gears (134) are fixedly mounted on both ends of the drive shaft (131).

3. The cutting device for civil engineering structure construction as described in claim 1, characterized in that, The fixed frame (1) has a second lead screw (132) rotatably installed on both sides, and the second lead screw (132) is threaded into the bottom end of the sliding frame (4).

4. A cutting device for civil engineering structure construction as described in claim 3, characterized in that, One end of each of the two second lead screws (132) is fixedly equipped with a worm wheel (133), and the worm wheel (133) meshes with the corresponding worm (134).

5. A cutting device for civil engineering structure construction as described in claim 1, characterized in that, A third motor (135) is fixedly installed at one end of the fixed frame (1), and the output end of the third motor (135) is fixedly connected to one end of the drive shaft (131).

6. A cutting device for civil engineering structure construction as described in claim 1, characterized in that, The water spray assembly (12) includes a water tank (121), which is fixedly installed at one end of the fixed frame (1), and an inlet pipe (122) is fixedly installed at the top of the water tank (121).

7. A cutting device for civil engineering structure construction as described in claim 6, characterized in that, A water supply pipe (124) is fixedly installed on the water tank (121), and one end of the water supply pipe (124) is connected to the inside of the protective shell (8).

8. A cutting device for civil engineering structure construction as described in claim 6, characterized in that, A water pump (123) is fixedly installed at the top of the water tank (121), and the output end of the water pump (123) is connected to the inside of the water supply pipe (124).

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