Accurate positioning device for electromechanical equipment installation

Abstract

The invention discloses a precise positioning device for electromechanical equipment installation, which comprises a rectangular guide plate, a positioning device, a positioning device and a positioning device, and is characterized in that a sliding groove is formed in one side of the guide plate along the length direction of the guide plate; the connecting mechanism comprises a plurality of connecting parts, and each connecting part comprises a sliding block detachably arranged in the sliding groove; the electromechanical devices to be installed are arranged on the other side of the guide plate, and one end of each electromechanical device to be installed is connected with at least one sliding block; the horizontal ruler is arranged on one side of the guide plate in the length direction of the guide plate, and the horizontal ruler is arranged above the sliding groove. According to the invention, the installation accuracy and efficiency of the electromechanical equipment are improved.

Description

Technical Field

[0001] The invention belongs to the technical field of mechanical installation, and relates to a precise positioning device for installing electromechanical equipment. Background Art

[0002] In the field of modern industry and construction, the installation accuracy of electromechanical equipment directly affects the operating efficiency and safety performance of the equipment, and is a key factor affecting the quality of equipment installation. Traditional installation methods often rely on manual measurement and adjustment, which is not only time-consuming and labor-intensive, but also difficult to ensure installation accuracy and prone to human errors. Therefore, it is particularly important to develop a device that can accurately locate and assist in the installation of electromechanical equipment. Summary of the invention

[0003] An object of the present invention is to solve at least the above problems and / or disadvantages and to provide at least the advantages which will be described hereinafter.

[0004] Still another object of the present invention is to provide a precise positioning device for installing electromechanical equipment.

[0005] To this end, the technical solution provided by the present invention is:

[0006] A precise positioning device for installing electromechanical equipment, comprising:

[0007] The guide plate is rectangular, and a slide groove is provided on one side of the guide plate along its length direction;

[0008] A connecting mechanism, comprising a plurality of connecting parts, each connecting part comprising a sliding block detachably arranged in the sliding groove;

[0009] The electromechanical equipment to be installed is arranged on the other side of the guide plate, and one end of each electromechanical equipment to be installed is connected to at least one of the sliders;

[0010] A level ruler is arranged on one side of the guide plate along the length direction of the guide plate, and the level ruler is arranged above the slide groove.

[0011] Preferably, in the precise positioning device for installing electromechanical equipment, each of the connecting parts further comprises:

[0012] A connecting rod is arranged perpendicular to the guide plate, one end of the connecting rod is arranged on the slider and the other end passes through the guide plate and is exposed on the other side of the guide plate, and one end of each electromechanical device to be installed is connected to at least one of the connecting rods.

[0013] Preferably, in the precise positioning device for installing electromechanical equipment, each of the connecting parts further comprises:

[0014] A clamping member is arranged on the other side of the guide plate parallel to the connecting rod, the middle part of one side of the clamping member is connected to the other end of the connecting rod, and the clamping members connected to two adjacent connecting rods form a clamping part to clamp the electromechanical equipment to be installed.

[0015] Preferably, the precise positioning device for installing electromechanical equipment further comprises:

[0016] Two first linear drive mechanisms, the two first linear drive mechanisms are respectively arranged at two ends of the guide plate in the length direction, and the first linear drive mechanisms are arranged inside the guide plate along the width direction of the guide plate;

[0017] A plurality of second linear drive mechanisms are arranged outside the guide plate along the length direction of the guide plate, and each of the sliders is connected to one of the second linear drive mechanisms and reciprocates along the slide slot under the drive of the corresponding second linear drive mechanism.

[0018] Preferably, the precise positioning device for installing electromechanical equipment further comprises:

[0019] A GPS module, which is arranged in the middle of the guide plate;

[0020] A control system is respectively communicated with the two first linear drive mechanisms, the second linear drive mechanism, and the GPS module. The control system is provided with the size of the electromechanical equipment to be installed, the installation position information, and the preset position information of the guide plate. The control system obtains the real-time position of the guide plate through the GPS module, drives the guide plate to move to the preset position of the guide plate by controlling the first linear drive mechanism, and drives the slider to move by controlling the second linear drive mechanism to position the electromechanical equipment to be installed at the installation position.

[0021] Preferably, the precise positioning device for installing electromechanical equipment further comprises:

[0022] A remote controller is communicatively connected with the control system. The remote controller is provided with switches for two first linear drive mechanisms and a plurality of second linear drive mechanisms. The remote controller sends a remote control instruction to start or stop the first linear drive mechanism and the second linear drive mechanism through the control system.

[0023] Preferably, the precise positioning device for installing electromechanical equipment further comprises:

[0024] A level is vertically arranged on one side of the guide plate and located above the slideway, and the level is communicatively connected with the control system.

[0025] Preferably, the precise positioning device for installing electromechanical equipment further comprises:

[0026] The fixing mechanism comprises a smoothing mechanism, wherein the smoothing mechanism comprises two trowel plates arranged at the upper and lower ends of the guide plate and a trowel plate handle connecting the two trowel plates, and the bottom surface of the trowel plate is arranged flush with the other side of the guide plate.

[0027] The present invention has at least the following beneficial effects:

[0028] The guide plate in the present invention is rectangular in design, and a slide groove is precisely opened on one side along the length direction to provide a stable sliding track for the slider. The connecting mechanism is composed of a plurality of independent connecting parts, and each connecting part is equipped with a slider that can be detachably embedded in the slide groove to achieve flexible position adjustment. The electromechanical equipment to be installed is arranged on the other side of the guide plate and is connected to the slider through the connecting mechanism to ensure the stability and accuracy of the equipment during the installation process. The level ruler is arranged above the slide groove along the length direction of the guide plate to monitor the horizontal state of the guide plate in real time to ensure the horizontal accuracy of the installation process. The present invention improves the accuracy and efficiency of the installation of electromechanical equipment.

[0029] At the same time, the intelligent precise positioning device of the present invention significantly improves the accuracy and efficiency of electromechanical equipment installation by integrating multiple functions such as guidance, connection, drive, monitoring and control, reduces the difficulty and error of manual operation, and is suitable for electromechanical equipment installation operations in a variety of complex environments, and has broad application prospects and value.

[0030] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through study and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a cross-sectional schematic diagram of a precise positioning device for installing electromechanical equipment in one of the schemes of the present invention.

[0032] Figure 2 It is a schematic side view of a precise positioning device for installing electromechanical equipment in one of the schemes of the present invention.

[0033] Figure 3 This is a connection diagram of a control system in one of the solutions of the present invention.

[0034] Figure 4 It is a three-dimensional schematic diagram of a precise positioning device for installing electromechanical equipment in one of the schemes of the present invention. DETAILED DESCRIPTION

[0035] The present invention is further described in detail below in conjunction with the accompanying drawings so that those skilled in the art can implement the invention with reference to the description.

[0036] It should be understood that the terms such as “having”, “including” and “comprising” used herein do not exclude the existence or addition of one or more other elements or combinations thereof.

[0037] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "set" should be understood in a broad sense. For example, it can be fixedly connected or set, or it can be detachably connected or set, or connected or set in one piece. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. The orientations or positional relationships indicated by the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. are based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0038] like Figures 1 to 3 As shown, the present invention provides a precise positioning device for installing electromechanical equipment, comprising:

[0039] The guide plate 1 is rectangular, and a slide groove 2 is provided on one side of the guide plate 1 along its length direction; the guide plate 1 is provided with a guide plate handle 101.

[0040] The connecting mechanism comprises a plurality of connecting parts, each of which comprises a sliding block 3 detachably arranged in the sliding groove 2;

[0041] The electromechanical equipment 9 to be installed is arranged on the other side of the guide plate 1, and one end of each electromechanical equipment 9 to be installed is connected to at least one of the sliders 3;

[0042] A level ruler 6 is arranged on one side of the guide plate 1 along the length direction of the guide plate 1 , and the level ruler 6 is arranged above the slide groove 2 .

[0043] The guide plate 1 in the present invention is rectangular in design, and a slide groove 2 is precisely opened on one side along the length direction to provide a stable sliding track for the slider 3. The connecting mechanism is composed of a plurality of independent connecting parts, each of which is equipped with a slider 3 that is detachably embedded in the slide groove 2 to achieve flexible position adjustment. The electromechanical equipment 9 to be installed is arranged on the other side of the guide plate 1 and is connected to the slider 3 through the connecting mechanism to ensure the stability and accuracy of the equipment during the installation process. The level ruler 6 is arranged above the slide groove 2 along the length direction of the guide plate 1 to monitor the horizontal state of the guide plate 1 in real time to ensure the horizontal accuracy of the installation process. The present invention improves the accuracy and efficiency of the installation of electromechanical equipment.

[0044] In the above solution, preferably, each of the connecting parts further comprises:

[0045] A connecting rod 4 is arranged perpendicular to the guide plate 1, one end of the connecting rod 4 is arranged on the slider 3 and the other end passes through the guide plate 1 and is exposed on the other side of the guide plate 1, and one end of each electromechanical device 9 to be installed is connected to at least one connecting rod 4. Each connecting part is provided with a connecting rod 4 perpendicular to the guide plate 1, one end of which is fixed on the slider 3, and the other end passes through the guide plate 1 and is exposed, and is used to connect the electromechanical device 9 to be installed. This design enhances the stability and flexibility of the connection. More preferably, the connecting rod can be a bolt. When there is a screw hole on the electromechanical device to be installed, the bolt can be directly used as the connecting rod 4 and set on the slider 3.

[0046] In one of the solutions of the present invention, preferably, each of the connecting parts further comprises:

[0047] A clamping member is arranged on the other side of the guide plate 1 in parallel with the connecting rod 4, and the middle part of one side of the clamping member is connected to the other end of the connecting rod 4. The clamping members connected to two adjacent connecting rods 4 form a clamping part to clamp the electromechanical equipment 9 to be installed. A clamping member is additionally arranged on the other side of the guide plate 1 in parallel with the connecting rod 4, and the adjacent clamping members are connected by the connecting rod 4 to form a clamping part, so as to achieve a stable clamping of the electromechanical equipment and improve the installation accuracy.

[0048] In one embodiment of the present invention, preferably, it further comprises:

[0049] Two first linear drive mechanisms, the two first linear drive mechanisms are respectively arranged at two ends of the guide plate 1 in the length direction, and the first linear drive mechanisms are arranged inside the guide plate 1 along the width direction of the guide plate 1;

[0050] A plurality of second linear drive mechanisms are arranged outside the guide plate 1 along the length direction of the guide plate 1, and each of the sliders 3 is connected to one of the second linear drive mechanisms and reciprocates along the slide groove 2 under the drive of the corresponding second linear drive mechanism. The first linear drive mechanism is arranged at both ends of the guide plate 1, embedded in the width direction, and used for the overall movement of the guide plate 1; the second linear drive mechanism is externally arranged along the length direction of the guide plate 1, and drives the slider 3 and the connected electromechanical equipment to move precisely along the slide groove 2.

[0051] In one embodiment of the present invention, preferably, it further comprises:

[0052] A GPS module, which is arranged in the middle of the guide plate 1;

[0053] The control system is respectively connected to the two first linear drive mechanisms, the second linear drive mechanism, and the GPS module. The size, installation position information, and preset position information of the electromechanical device 9 to be installed and the guide plate 1 are set in the control system. The control system obtains the real-time position of the guide plate 1 through the GPS module and drives the guide plate 1 to move to the preset position of the guide plate 1 by controlling the first linear drive mechanism. The control system drives the slider 3 to move by controlling the second linear drive mechanism to position the electromechanical device 9 to be installed to the installation position. The GPS module is integrated in the middle of the guide plate 1 to communicate with the control system, and the guide plate 1 is automatically adjusted to the predetermined position by comparing the preset position information with the real-time position. The control system also achieves precise positioning by driving the first and second linear drive mechanisms.

[0054] In one embodiment of the present invention, preferably, it further comprises:

[0055] A remote controller is connected to the control system for communication. The remote controller is provided with switches for two first linear drive mechanisms and a plurality of second linear drive mechanisms. The remote controller sends a remote control command to start or stop the first linear drive mechanism and the second linear drive mechanism through the control system. The remote controller is equipped with a remote controller for wireless communication with the control system. The user can directly control the start and stop of each drive mechanism through the remote controller, thereby simplifying the operation process.

[0056] In one embodiment of the present invention, preferably, it further comprises:

[0057] A level 5 is arranged on one side of the guide plate 1 in the vertical direction and is located above the slide 2. The level 5 is connected to the control system in communication. The level 5 is added to one side of the guide plate 1 and arranged in the vertical direction to communicate with the control system, monitor and correct the verticality in real time, and ensure the full range of precision control during the installation process. Preferably, a level ruler 6 is also connected to the control system in communication, and a scale 601 is provided on the level ruler 6.

[0058] In one embodiment of the present invention, preferably, it further comprises:

[0059] The fixing mechanism includes a smoothing mechanism, which includes two trowel plates 7 arranged at the upper and lower ends of the guide plate 1 and a trowel plate handle 8 connecting the two trowel plates 7, and the bottom surface of the trowel plate 7 is flush with the other side of the guide plate 1. The smoothing mechanism includes two upper and lower trowel plates 7 and a trowel plate handle 8 connecting the two, and the bottom surface of the trowel plate 7 is flush with the other side of the guide plate 1, which is used to smooth the installation surface before and after installation to ensure the flatness and cleanliness of the installation surface. Of course, other devices can also be designed as fixing devices as needed.

[0060] In order to enable those skilled in the art to better understand the technical solution of the present invention, the following embodiments are provided for illustration:

[0061] A precise positioning device for installing electromechanical equipment, comprising:

[0062] A guide plate 1 is rectangular, and a slide groove 2 is provided on one side of the guide plate 1 along its length direction;

[0063] The connecting mechanism comprises a plurality of connecting parts, each of which comprises a sliding block 3 detachably arranged in the sliding groove 2;

[0064] The electromechanical equipment 9 to be installed is arranged on the other side of the guide plate 1, and one end of each electromechanical equipment 9 to be installed is connected to at least one of the sliders 3;

[0065] A level ruler 6 is arranged on one side of the guide plate 1 along the length direction of the guide plate 1, and the level ruler 6 is arranged above the slide 2. The level ruler 6 is also connected to the control system for communication, and a scale 601 is arranged on the level ruler 6.

[0066] The connecting rod 4 is arranged perpendicular to the guide plate 1, one end of which is arranged on the slider 3 and the other end passes through the guide plate 1 and is exposed on the other side of the guide plate 1, and one end of each electromechanical device 9 to be installed is connected to at least one connecting rod 4. Each connecting part is provided with a connecting rod 4 perpendicular to the guide plate 1, one end of which is fixed on the slider 3 and the other end passes through the guide plate 1 and is exposed, and is used to connect the electromechanical device 9 to be installed. This design enhances the stability and flexibility of the connection.

[0067] A clamping member is arranged on the other side of the guide plate 1 in parallel with the connecting rod 4, and the middle part of one side of the clamping member is connected to the other end of the connecting rod 4. The clamping members connected to two adjacent connecting rods 4 form a clamping part to clamp the electromechanical equipment 9 to be installed. A clamping member is additionally arranged on the other side of the guide plate 1 in parallel with the connecting rod 4, and the adjacent clamping members are connected by the connecting rod 4 to form a clamping part, so as to achieve a stable clamping of the electromechanical equipment and improve the installation accuracy.

[0068] Two first linear drive mechanisms, the two first linear drive mechanisms are respectively arranged at two ends of the guide plate 1 in the length direction, and the first linear drive mechanisms are arranged inside the guide plate 1 along the width direction of the guide plate 1;

[0069] A plurality of second linear drive mechanisms are arranged outside the guide plate 1 along the length direction of the guide plate 1, and each of the sliders 3 is connected to one of the second linear drive mechanisms and reciprocates along the slide groove 2 under the drive of the corresponding second linear drive mechanism. The first linear drive mechanism is arranged at both ends of the guide plate 1, embedded in the width direction, and used for the overall movement of the guide plate 1; the second linear drive mechanism is externally arranged along the length direction of the guide plate 1, and drives the slider 3 and the connected electromechanical equipment to move precisely along the slide groove 2.

[0070] A GPS module, which is arranged in the middle of the guide plate 1;

[0071] The control system is respectively connected to the two first linear drive mechanisms, the second linear drive mechanism, and the GPS module. The size, installation position information, and preset position information of the electromechanical device 9 to be installed and the guide plate 1 are set in the control system. The control system obtains the real-time position of the guide plate 1 through the GPS module and drives the guide plate 1 to move to the preset position of the guide plate 1 by controlling the first linear drive mechanism. The control system drives the slider 3 to move by controlling the second linear drive mechanism to position the electromechanical device 9 to be installed to the installation position. The GPS module is integrated in the middle of the guide plate 1 to communicate with the control system, and the guide plate 1 is automatically adjusted to the predetermined position by comparing the preset position information with the real-time position. The control system also achieves precise positioning by driving the first and second linear drive mechanisms.

[0072] A remote controller is connected to the control system for communication. The remote controller is provided with switches for two first linear drive mechanisms and a plurality of second linear drive mechanisms. The remote controller sends a remote control command to start or stop the first linear drive mechanism and the second linear drive mechanism through the control system. The remote controller is equipped with a remote controller for wireless communication with the control system. The user can directly control the start and stop of each drive mechanism through the remote controller, thereby simplifying the operation process.

[0073] A level 5 is arranged on one side of the guide plate 1 in the vertical direction and is located above the slide 2. The level 5 is connected to the control system in communication. A level 5 is added to one side of the guide plate 1 and arranged in the vertical direction to communicate with the control system to monitor and correct the verticality in real time to ensure all-round precision control during the installation process.

[0074] The fixing mechanism includes a smoothing mechanism, which includes two trowel plates 7 arranged at the upper and lower ends of the guide plate 1 and a trowel plate handle 8 connecting the two trowel plates 7, and the bottom surface of the trowel plate 7 is flush with the other side of the guide plate 1. The smoothing mechanism includes two upper and lower trowel plates 7 and a trowel plate handle 8 connecting the two, and the bottom surface of the trowel plate 7 is flush with the other side of the guide plate 1, which is used to smooth the installation surface before and after installation to ensure the flatness and cleanliness of the installation surface. Of course, other devices can also be designed as fixing devices as needed.

[0075] For example, Figure 4 In the embodiment, when the electromechanical equipment 9 to be installed is a 86-box positioning block, first, the positioning block is embedded in the grooved wall, and then the level ruler and level gauge are adjusted to ensure that the bottom box is placed in the appropriate position and meets the horizontality of the bottom box and the technical standard requirements of the adjacent bottom boxes. Subsequently, the positioning block is firmly fixed using a T-bolt as a connecting rod 4, and then the gap is filled with mortar. Finally, a trowel plate 7 is used to plaster the surface along the C-shaped slide 2 to achieve a one-time molding effect.

[0076] The 86 box positioning block is designed as a rectangular rubber module with a side length of 71mm (length) x 71mm (width) x 30mm (thickness), which is used to accurately locate the position of the 86 bottom box; the level is a teardrop-shaped stainless steel pointer with a length of 10mm, which is convenient for adjusting the position and spacing of the bottom box; the level ruler adopts a liquid level ruler design to ensure the overall level of the slide; the guide plate 1 is made of steel, and the built-in C-type slide is a stainless steel slide with a full length of 1 meter and a scale; the trowel plate 7 is composed of two rectangular stainless steel sheets with a side length of 50mm (length) x 50mm (width) x 1mm (thickness), and the two stainless steel sheets are combined together by the trowel plate handle 8.

[0077] This device can achieve precise installation and positioning of electromechanical equipment, and effectively solve the quality problems of uneven spacing and uneven height of base boxes that are common in rail transit decoration and renovation construction. Compared with traditional construction methods, the use of this device can significantly reduce the inefficient work of repeated grooving and multiple installations at the same location, thereby saving costs. The device has a built-in leveling function, which promotes the integrated construction of installation and decoration, thereby improving construction efficiency and achieving the goals of cost reduction and efficiency improvement. The present invention not only improves construction efficiency and quality, but also reduces costs, and has broad market application prospects.

[0078] Compared with traditional construction technology, the present invention can reduce the labor time required for each standard room to 0.25 working days, and improve the construction efficiency to 0.25 days on average. Taking the installation and leveling of the base box of a standard room in traditional construction as an example, it usually takes 2 people 2 hours to complete, which is equivalent to 0.5 working days. After applying the device of the present invention, the labor demand for each room can be reduced to 0.25 working days, thus saving 0.25 working days and improving work efficiency by 50%.

[0079] The number of modules and processing scales described here are used to simplify the description of the present invention. Applications, modifications and variations of the present invention are obvious to those skilled in the art.

[0080] Although the embodiments of the present invention have been disclosed as above, they are not limited to the applications listed in the specification and the implementation modes, and they can be fully applied to various fields suitable for the present invention. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present invention is not limited to the specific details and the illustrations shown and described herein.

Claims

1. A precise positioning device for installation of electromechanical equipment, characterized in that: include: The guide plate is rectangular, and a slide groove is provided on one side of the guide plate along its length direction; A connecting mechanism, comprising a plurality of connecting parts, each connecting part comprising a sliding block detachably arranged in the sliding groove; The electromechanical equipment to be installed is arranged on the other side of the guide plate, and one end of each electromechanical equipment to be installed is connected to at least one of the sliders; A level ruler is arranged on one side of the guide plate along the length direction of the guide plate, and the level ruler is arranged above the slide groove.

2. The precise positioning device for electromechanical equipment installation according to claim 1, characterized in that: Each of the connecting parts further comprises: A connecting rod is arranged perpendicular to the guide plate, one end of the connecting rod is arranged on the slider and the other end passes through the guide plate and is exposed on the other side of the guide plate, and one end of each electromechanical device to be installed is connected to at least one of the connecting rods.

3. The precise positioning device for electromechanical equipment installation according to claim 2, characterized in that: Each of the connecting parts further comprises: A clamping member is arranged on the other side of the guide plate parallel to the connecting rod, the middle part of one side of the clamping member is connected to the other end of the connecting rod, and the clamping members connected to two adjacent connecting rods form a clamping part to clamp the electromechanical equipment to be installed.

4. The precise positioning device for electromechanical equipment installation according to claim 1, characterized in that: Also includes: Two first linear drive mechanisms, the two first linear drive mechanisms are respectively arranged at two ends of the guide plate in the length direction, and the first linear drive mechanisms are arranged inside the guide plate along the width direction of the guide plate; A plurality of second linear drive mechanisms are arranged outside the guide plate along the length direction of the guide plate, and each of the sliders is connected to one of the second linear drive mechanisms and reciprocates along the slide slot under the drive of the corresponding second linear drive mechanism.

5. The precise positioning device for electromechanical equipment installation according to claim 4, characterized in that: Also includes: A GPS module, which is arranged in the middle of the guide plate; A control system is respectively connected to the two first linear drive mechanisms, the second linear drive mechanism, and the GPS module for communication. The control system is provided with the size of the electromechanical equipment to be installed, the installation position information, and the preset position information of the guide plate. The control system obtains the real-time position of the guide plate through the GPS module, drives the guide plate to move to the preset position of the guide plate by controlling the first linear drive mechanism, and drives the slider to move by controlling the second linear drive mechanism to position the electromechanical equipment to be installed at the installation position.

6. The precise positioning device for electromechanical equipment installation according to claim 5, characterized in that: Also includes: A remote controller is communicatively connected with the control system. The remote controller is provided with switches for two first linear drive mechanisms and a plurality of second linear drive mechanisms. The remote controller sends a remote control instruction to start or stop the first linear drive mechanism and the second linear drive mechanism through the control system.

7. The precise positioning device for electromechanical equipment installation according to claim 5, characterized in that: Also includes: A level is vertically arranged on one side of the guide plate and located above the slideway, and the level is communicatively connected with the control system.

8. The precise positioning device for electromechanical equipment installation according to claim 1, characterized in that: Also includes: The fixing mechanism comprises a smoothing mechanism, wherein the smoothing mechanism comprises two trowel plates arranged at the upper and lower ends of the guide plate and a trowel plate handle connecting the two trowel plates, and the bottom surface of the trowel plate is arranged flush with the other side of the guide plate.

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