CN213196800U

CN213196800U - Wall grinding mechanism

Info

Publication number: CN213196800U
Application number: CN202021654108.XU
Authority: CN
Inventors: 安强龙; 沙健彬; 桂缓峰; 顾云峰; 涂卷群; 傅珺; 许颖儿; 林龙斌; 毛飔琼
Original assignee: Hongrun Construction Group Co Ltd
Current assignee: Hongrun Construction Group Co Ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-05-14
Anticipated expiration: 2030-08-13

Abstract

The utility model discloses a grind wall mechanism relates to construction machinery technical field. One specific embodiment of the wall grinding mechanism comprises: the device comprises a vertical column, a movable rod, a wall grinding device and a spring balancer; wherein, the two ends of the upright post are respectively provided with an upper supporting part and a lower supporting part; the movable rod is connected with the upright post through a connecting part, wherein the connecting part comprises a first linear bearing and a second linear bearing, the first linear bearing is connected with the movable rod to enable the movable rod to slide transversely, and the second linear bearing is connected with the upright post to enable the movable rod to slide vertically; the wall grinding device is fixed on the movable rod; the spring balancer is connected with the connecting part and connected with the upright post through the top bearing. The utility model discloses a can let the operation personnel have better atress fulcrum, and can guarantee to grind wall machine mechanism from top to bottom, control, rotary motion when keep and the wall between the interval unchangeable, improved the accuracy of grinding the wall device. And, the lifting can be easily and stably performed by the spring balancer.

Description

Wall grinding mechanism

Technical Field

The utility model relates to a construction machinery technical field especially relates to a grind wall mechanism.

Background

The existing building wall is mainly built by industrialized assembly type, formwork cast-in-place and light building blocks, the errors of flatness and verticality can exist in different construction processes, and the wall surface is required to be flat and smooth along with the vigorous popularization and application of a thin-building and thin-plastering process and an ultrathin plastering-free process. Among the prior art, to polishing treatment earlier stage, mostly use the manual work as the owner, because concrete wall hardness is higher, need the great polisher operation of power, and the great polisher weight of power is more than 5kg, and long-time handheld operation is very tired, and does not have the fulcrum and applys pressure. Through this mode, not only inefficiency is difficult to reach standard time limit for a project management requirement, and is difficult to let the coating can be attached to the wall uniformly on.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the utility model provides a grind wall mechanism can let operating personnel have better atress fulcrum, and can guarantee to grind the wall device and grind the interval between wall mechanism and the wall and keep unchangeable when upper and lower, left and right sides, rotary motion, has improved the accuracy of grinding the wall device, can carry out light stable lift through the spring balancer moreover.

To achieve the above object, according to one aspect of the embodiments of the present invention, a wall grinding mechanism is provided.

The utility model discloses grind wall mechanism includes: the device comprises a vertical column, a movable rod, a wall grinding device and a spring balancer; wherein, both ends of the upright post are respectively provided with an upper supporting part and a lower supporting part; the movable rod is connected with the upright post through a connecting part, wherein the connecting part comprises a first linear bearing and a second linear bearing, the first linear bearing is connected with the movable rod to enable the movable rod to slide transversely, and the second linear bearing is connected with the upright post to enable the movable rod to slide vertically; the wall grinding device is fixed on the movable rod; the spring balancer is connected with the connecting part and connected with the upright post through a top bearing.

Optionally, the lower supporting part is a screw rod, the screw rod is sleeved with the lower end of the stand column, and the screw rod and the stand column are fixed through an adjusting nut.

Optionally, the movable rod is two parallel horizontal rods, a connecting plate is arranged between the two parallel horizontal rods, and the two parallel horizontal rods are connected with the connecting part through the first linear bearing respectively.

Optionally, the connecting portion further includes a fixing plate, and the first linear bearing and the second linear bearing are respectively disposed on two sides of the fixing plate.

Optionally, one end of the movable rod is provided with a circular ring, and the circular ring is connected with the wall grinding device through a connecting device.

Optionally, the connecting device is a U-shaped pull ring adapted to the wall grinding device, and the U-shaped pull ring is fixed on the circular ring, so that the wall grinding device rotates around the movable rod.

Optionally, the connecting device comprises a rotating connecting plate, an L-shaped connecting block, a mounting plate and a U-shaped clamp; wherein, the swivelling joint board welding is in on the ring, L type connecting block with the welding be in swivelling joint board bolted connection on the ring, the mounting panel with L type connecting block bolted connection, and the wall grinding device passes through U type clamp with mounting panel fixed connection.

Optionally, the spring balancer is connected to the connecting part via a suspension ring and to the top bearing via a suspension ring.

Optionally, the top bearing is a deep groove ball bearing; and/or balls are arranged in inner holes of the first linear bearing and the second linear bearing.

Optionally, a fixing ring is arranged on the first linear bearing, and the fixing ring limits and adjusts the stroke of the movable rod.

An embodiment in the above-mentioned utility model has following advantage or beneficial effect: the wall grinding device can slide up and down along with the linear bearing and can rotate 360 degrees around the Z-axis guide post; two groups of guide shafts are designed on the movable rod of the X shaft to slide on the four linear sub-bearings, and the sleeve is designed at the tail end of the X shaft to rotate for 300 degrees around the rotating shaft, so that the X shaft has higher degree of freedom. The distance between the wall grinding mechanism and the wall surface is kept unchanged when the wall grinding device moves up and down, left and right and rotates, and the accuracy of the wall grinding device is improved. The wall grinding device is driven by the spring balancer to be capable of easily and stably lifting, and the lifting speed can be controlled by hands. Through the mechanism, an operator can have a better stress fulcrum, and can apply appropriate force to the wall grinding device, so that the wall grinding quality and efficiency are improved.

Further effects of the above-mentioned non-conventional alternatives will be described below in connection with the embodiments.

Drawings

The accompanying drawings are included to provide a better understanding of the present invention and are not intended to constitute an undue limitation on the invention. Wherein:

fig. 1 is a schematic view of a wall grinding mechanism according to an embodiment of the present invention;

fig. 2 is a schematic view of a wall grinding mechanism according to another embodiment of the present invention;

fig. 3 is a schematic view of the main constituent structure of a connecting device of a wall grinding mechanism according to another embodiment of the present invention;

wherein, 101-upper support part; 102-a lower support; 103-adjusting nuts; 104-a first linear bearing; 105-a connecting portion; 106-a movable rod; 107-connecting plate; 108-a wall grinding device; 109-U-shaped pull ring; 110-a spring balancer; 111-upright post; 112-fixed columns; 113-a ring; 114-a screw; 115-a nut; 116-a second linear bearing; 117-top bearing; 118-a suspension loop; 119-a fixed ring; 120-hoisting ring; 209-L-shaped connecting blocks; 211-rotating connection plate; a 214-U shaped clamp; 215-mounting plate.

Detailed Description

Exemplary embodiments of the invention are described below with reference to the accompanying drawings, in which various details of embodiments of the invention are included to assist understanding, and which are to be considered exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness. Further, the same or similar reference numerals denote the same or similar structures.

In the prior art, because it is very tired to need operating personnel to hold the operation for a long time, and must exert certain pressure to the mill wall device when grinding the wall, and the abrasive disc just can grind off the concrete, so inefficiency is difficult to reach standard time limit for a project management requirement. Moreover, operators are susceptible to occupational diseases such as pneumoconiosis and the like in dust pollution environment for a long time. And, the wall grinding devices on the market at present mainly have automatic wall grinding machines suitable for roll coating of interior wall coatings in interior decoration, or smooth the wall surface by means of continuous vibration of a circular grinding disc in the front, back, left and right directions. The part near the corner of the wall is easy to collide with the wall surface to cause secondary damage, or an anti-collision strip is arranged on the wall grinding machine to reduce collision. They are not suitable for narrow space operation, and the quality of polishing is uneven. The universal rotating operation can not be realized, the concrete wall surface can not be polished and leveled, the functions are simple, the operation is not flexible, combination innovation is avoided, and the problem facing to a complicated building construction site is difficult to adapt to.

The wall grinding mechanism of the embodiment of the utility model, namely the labor-saving wall grinding mechanism, has wide application range, is suitable for the wall surface flattening and grinding operation of concrete, light building blocks and the like, and can be operated by installing a wall grinding device on the mechanism; the device is suitable for the operation in narrow spaces such as internal and external corners of wall surfaces, window frames, door frames and the like; the wall putty remover is suitable for operations such as putty wall surface polishing, wall surface putty removing, plastering and the like; the mechanism is suitable for other operation occasions (corresponding tools can be installed on the mechanism for operation) needing weight reduction and auxiliary support. And, the utility model relates to a grind wall mechanism can select corresponding mill wall device according to the demand, is fit for the piecing devices of multiple mechanical fast switch-over, and the conversion is easily realized to direct plug, for example angle mill, mortar receipts face machine etc.. The adjusting rod of the spring balancer can be adjusted again according to different instrument weights.

Fig. 1 is a schematic view of a wall grinding mechanism according to an embodiment of the present invention.

As shown in fig. 1, the wall grinding mechanism according to an embodiment of the present invention includes a column 111, a movable rod 106, a wall grinding device 108, and a spring balancer 110. Wherein, the both ends of stand 111 are provided with upper support portion 101 and lower support portion 102 respectively, and stand 111 can design the support column height according to the building floor height, is laborsaving structure vertical activity's carrier. The movable rod 106 is connected with the upright 111 through a connecting part 105, wherein the connecting part 105 comprises a first linear bearing 104 and a second linear bearing 116, wherein the first linear bearing 104 is connected with the movable rod 106 to enable the movable rod 106 to slide transversely, and the second linear bearing 116 is connected with the upright 111 to enable the movable rod 106 to slide vertically. A wall grinding device 108 is fixed to the movable rod 106. The movable rod 106 is used for connecting the wall grinding device 108 as a carrier for moving the wall grinding device to the left and the right. Spring balancer 110 is connected to connection 105 and to column 111 via top bearing 117.

In the example of the present invention, the lower supporting portion 102 may be a screw rod, and the screw rod is sleeved with the lower end of the upright 111, i.e. the screw rod is embedded in the lower end of the upright 111, and is telescopic. The screw rod and the upright post are fixed through an adjusting nut 103, and the adjusting nut 103 is used for locking the stroke of the adjusted screw rod, so that the adjustable screw rod is suitable for the height of a building layer.

In the embodiment of the present invention, the movable rod 106 may be two parallel horizontal rods, a connecting plate 107 is disposed between the two parallel horizontal rods, and the two parallel horizontal rods are connected to the connecting portion 105 through the first linear bearing 104. The connecting plate 107 connects the upper and lower movable rods to move synchronously. More specifically, the movable lever 106 may be an X-axis movable lever (guide shaft). More specifically, the connection plate 107 is a terminal connection plate. Preferably, the first linear bearing 104 is a linear bearing d20, which is a linear motion system, the movable rod 106 (guide rod) slides left and right in the inner bore of the linear bearing, and the balls in the inner bore roll circularly, thereby achieving a smooth linear motion with low friction and high precision. Preferably, the second linear bearing 116 may be a linear bearing LMW51-d50, which is also a linear motion system, the linear bearing is sleeved on the upright post 111 to slide up and down, and the balls in the inner hole circularly roll, so as to achieve stable linear motion with small friction and high precision.

In an embodiment of the present invention, the connecting portion 105 further includes a fixing plate, and the two sides of the fixing plate are respectively provided with the first linear bearing 104 and the second linear bearing 116. Preferably, the fixed plate is connected with a linear bearing, a vertical column, an X-axis movable rod and the like.

In an embodiment of the present invention, one end of the movable rod 106 is provided with a ring 113, and the ring 113 is connected with the wall grinding device 108 through a connecting device. In the embodiment shown in fig. 1, the connecting means may be a U-shaped pull ring 109 adapted to the wall milling device 108, the U-shaped pull ring 109 being fixed to a ring 113 such that the wall milling device 108 rotates around the movable bar 106. The U-shaped pull ring 109 is matched with the wall grinding device 108 in size and is used for connecting the wall grinding device 108 with the circular ring 113. In the embodiment of the present invention, the connection between the U-shaped pull ring 109 and the wall grinding device 108 is fixed by the screw holes of the upper and lower mounting handles designed on the wall grinding device 108. Furthermore, the connection between the U-shaped pull ring 109 and the wall grinding device 108 can be realized by welding a screw 114 on the ring 113, and the U-shaped pull ring 109 is sleeved on the screw 114 and then locked and fixed by a nut 115. In short, the screw 114 is used to connect the ring 113 (welded fastening) and the U-shaped tab 109 (nut 115 tightened). For example, the screw 114 may be a socket head cap screw. Nut 115 may be an M10 nut.

In an embodiment of the present invention, the hanging ring 120 can be locked by another nut 115 to prevent loosening. The spring balancer 110 may be connected to the connection 105 by a suspension ring 120 and to the top bearing 117 by a suspension ring 118. Specifically, a suspension loop 118 may connect the spring balancer 110 to a top bearing 117 at the top of the column 111 (i.e., support post). The top bearing 117 is a deep groove ball bearing, and the hanging ring 118 is welded and fixed with the deep groove ball bearing. More specifically, the top bearing 117 may be a bearing BBK6210 for synchronizing rotation of the spring balancer 110 with the X-axis mechanism mounted on the second linear bearing 116 to prevent twisting of the wire rope during operation. In general terms, the top bearing 117 is a deep groove ball bearing; and/or balls are arranged in the inner holes of the first linear bearing 104 and the second linear bearing 116.

Through the spring balancer 110, the suspended wall grinding device 108, such as an angle grinder operating mechanism, is in a gravity balance state, so that the labor intensity of operating personnel is reduced, and the labor production efficiency is improved.

In addition, the wall grinding mechanism further comprises a fixed column 112, wherein the fixed column 112 fixes the upper movable rod and the lower movable rod, which are rotating shafts of the circular ring 113. The ring 113 is connected with the U-shaped pull ring 109, the fixed wall grinding device 108 rotates around the fixed column 112, and the wall grinding device 108 can be operated at multiple angles. Here, in the present invention, the wall grinding device 108 may be an angle grinder or a wall grinder, which are main tools for finishing a wall surface. According to the angle grinder (wall grinder) with different functions and purposes, the function and the purpose can be selected according to different strength of wall materials. In short, the concrete wall is polished by a high-strength blade and a high-power angle grinder, and the filler wall is polished by an angle grinder with ordinary power. In an embodiment of the present invention, a dust-free angle grinder (or wall grinder) can be selected and connected with a dust bag, so as to achieve green construction.

In addition, the first linear bearing 104 is further provided with a fixing ring 119, and the fixing ring 119 limits and adjusts the stroke of the movable rod 106.

Next, fig. 2 is a schematic view of a wall grinding mechanism according to another embodiment of the present invention. The main structures and components of the embodiments of fig. 1 and 2 are similar or identical, and the difference between the two is mainly in the connection means. In fig. 1 and 2, the same or similar reference numerals denote the same or similar structures. Here, in order to avoid redundancy, the same components as those in fig. 1 and 2 will not be described, and the embodiment in fig. 2 will be mainly described as different from the embodiment in fig. 1.

In fig. 1 and 2, the ring 113 is connected with the wall grinding device 108 through a connecting device, but in the two different embodiments of the wall grinding mechanism, the two are connected in different manners, i.e. the connecting devices are different.

As mentioned above, the connecting device in FIG. 1 is a U-shaped pull ring 109, a ring 113 is connected with the U-shaped pull ring 109 to fix the wall grinding device 108, and the wall grinding device 108 can be operated at multiple angles by rotating around a fixing post 112.

Fig. 3 is a schematic view of the main components of a connecting device of a wall grinding mechanism according to another embodiment of the present invention. In the embodiment of fig. 3, the ring 113 is welded to the rotating web 211. The connecting device includes: the rotary connecting plate 211, the L-shaped connecting block 209, the mounting plate 215 and the U-shaped clamp 214; wherein, the rotating connection board 211 is welded on the circular ring 113, the L-shaped connection block 209 is connected with the rotating connection board 211 welded on the circular ring 113 by bolts, the mounting plate 215 is connected with the L-shaped connection block 209 by bolts, and the wall grinding device 108 is fixedly connected with the mounting plate 215 by a U-shaped clamp 214. That is, in another embodiment of the present invention, the U-shaped pull ring is replaced by a connecting device including a rotation connecting plate 211, an L-shaped connecting block 209, a mounting plate 215 of the wall grinding device, and a U-shaped clamp 214, to form another connecting mode. More specifically, the L-shaped connecting block 209 is bolted to the circular ring 113 weld plate (4 × M8). The rotary connecting plate 211 is welded and fixed with the circular ring 113. The U-shaped clip 214 is used to clip the body of the wall milling assembly 108 and to nut-mount the mounting plate 215 of the wall milling assembly 108. The mounting plate 215 is bolted to the L-shaped connecting block 209 (3 × M8), and a hole formed at the front end thereof is bolted to a mounting hole provided in the wall grinding device 108.

In summary, the two embodiments of the present invention illustrate the connection device between the wall grinding device (e.g., wall grinder/angle grinder) and the labor saving mechanism:

in the embodiment of fig. 1: adopt U type pull ring will grind the wall device and be connected with laborsaving mechanism, the angle of adjustable mill wall device to make and grind the wall device and can polish to positions such as room reentrant and external corner, effectively improved the application scope of grinding the wall device. Furthermore, the wall grinding mechanism shown in fig. 1 is suitable for mounting a wall grinding device with small power.

In the embodiment of fig. 2: the high-power wall grinding device is connected with the labor-saving mechanism through the rotary connecting plate, the L-shaped connecting block, the mounting plate of the wall grinding device and the U-shaped clamp, and the angle of the wall grinding device can be adjusted, so that the wall grinding device can grind the internal and external corners and other positions of a room, and the application range of the wall grinding device is effectively expanded. Furthermore, the wall grinding mechanism shown in fig. 2 is suitable for being provided with a high-power wall grinding device.

Because the hardness of the concrete wall surface is high, a grinding machine with high power is required to operate, the weight of the grinding machine with high power is more than 5kg, the long-time hand-held operation is very tired, and no fulcrum applies pressure. The operating mechanism can slide up and down along with the linear bearing and can rotate 360 degrees around the Z-axis guide post; two groups of guide shafts are designed on the movable rod of the X shaft to slide on the four linear bearings, and the sleeve is designed at the tail end of the X shaft to rotate for 300 degrees around the rotating shaft, so that the X shaft has higher degree of freedom. The distance between the wall grinding mechanism and the wall surface is kept unchanged when the wall grinding device moves up and down, left and right and rotates, and the accuracy of the wall grinding device is improved. The wall grinding device is driven by the spring balancer to be capable of easily and stably lifting, and the lifting speed can be controlled by hands. Through the mechanism, an operator can have a better stress fulcrum, and can apply appropriate force to the wall grinding device, so that the wall grinding quality and efficiency are improved.

The above detailed description does not limit the scope of the present invention. Those skilled in the art will appreciate that various modifications, combinations, sub-combinations, and substitutions can occur, depending on design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A wall grinding mechanism is characterized by comprising a stand column, a movable rod, a wall grinding device and a spring balancer; wherein, both ends of the upright post are respectively provided with an upper supporting part and a lower supporting part;

the movable rod is connected with the upright post through a connecting part, wherein the connecting part comprises a first linear bearing and a second linear bearing, the first linear bearing is connected with the movable rod to enable the movable rod to slide transversely, and the second linear bearing is connected with the upright post to enable the movable rod to slide vertically;

the wall grinding device is fixed on the movable rod;

the spring balancer is connected with the connecting part and connected with the upright post through a top bearing.

2. The wall grinding mechanism according to claim 1, wherein the lower support part is a screw rod, the screw rod is sleeved with the lower end of the upright post, and the screw rod and the upright post are fixed through an adjusting nut.

3. The wall grinding mechanism according to claim 1, wherein the movable rod is two parallel horizontal rods, a connecting plate is arranged between the two parallel horizontal rods, and the two parallel horizontal rods are respectively connected with the connecting part through the first linear bearing.

4. The wall grinding mechanism according to claim 1, wherein the connecting portion further comprises a fixing plate, and the first linear bearing and the second linear bearing are respectively disposed on two sides of the fixing plate.

5. A wall grinding mechanism according to claim 1, wherein a ring is provided at one end of the movable rod, and the ring is connected with the wall grinding device through a connecting device.

6. The wall grinding mechanism according to claim 5, wherein the connecting device is a U-shaped pull ring adapted to the wall grinding device, the U-shaped pull ring is fixed on the circular ring, so that the wall grinding device rotates around the movable rod.

7. The wall grinding mechanism according to claim 5, wherein the connecting device comprises a rotary connecting plate, an L-shaped connecting block, a mounting plate and a U-shaped clamp; wherein, the swivelling joint board welding is in on the ring, L type connecting block with the welding be in swivelling joint board bolted connection on the ring, the mounting panel with L type connecting block bolted connection, and the wall grinding device passes through U type clamp with mounting panel fixed connection.

8. The wall grinding mechanism of claim 1, wherein the spring balancer is connected to the connecting portion by a bail and to the top bearing by a suspension ring.

9. The wall grinding mechanism of claim 1, wherein the top bearing is a deep groove ball bearing; and/or balls are arranged in inner holes of the first linear bearing and the second linear bearing.

10. The wall grinding mechanism according to claim 1, wherein a fixed ring is arranged on the first linear bearing, and the fixed ring performs limit adjustment on the stroke of the movable rod.