Lifting top plate punching device

Abstract

The utility model discloses a lifting top plate punching device which comprises a base, a lifting rod assembly and a percussion drill, the lifting rod assembly is vertically arranged, the lifting rod assembly is connected between the base and the percussion drill, the lifting rod assembly comprises a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are both vertically arranged, and the first connecting rod is connected with the percussion drill. A lifting adjusting assembly is connected between the lifting rod assembly and the lifting rod assembly, and the height of the lifting rod assembly can be adjusted through the lifting adjusting assembly. Specifically, a lifting handle is rotated to drive a gear to rotate, due to the fact that the gear is meshed with a rack, the rack can be driven to ascend and descend in the rotating process of the gear, the rack is fixedly connected with a second connecting rod, the rack can drive the whole lifting rod assembly to extend or retract in the ascending and descending process, and the lifting rod assembly is connected between a base and a percussion drill. The height of the percussion drill can be adjusted, and the percussion drill can be adjusted to a proper height when a top plate is drilled, so that the top plate can be conveniently drilled.

Description

Technical Field

[0001] The utility model relates to the field of drilling, in particular to a lifting top plate drilling device. Background Art

[0002] During the construction process, it is often necessary to drill holes on the top of the floor to install lamps, ceilings or pipeline bridges. The common practice is that construction workers use scaffolding to manually climb up and use electric hammers to drill holes in the ceiling or wall panels. Since construction workers have to tilt their heads and exert force upward, it is very difficult to operate, making it difficult to ensure the stability and safety of the operation. At the same time, dust can easily enter people's eyes and respiratory tracts, seriously affecting the health of construction workers. Therefore, it is necessary to provide a new top plate drilling device that does not require scaffolding and has higher operation efficiency. Utility Model Content

[0003] In order to overcome the deficiencies of the prior art, the utility model provides a lifting top plate drilling device, which can solve the problem of inconvenience in drilling holes in the existing top plate.

[0004] The technical solution adopted by the utility model to solve the technical problem is as follows: the utility model provides a lifting top plate punching device, comprising a base, a lifting rod assembly and an impact drill, wherein the lifting rod assembly is vertically arranged, and the upper end of the lifting rod assembly is connected to the impact drill, and the lower end of the lifting rod assembly is connected to the base;

[0005] The lifting rod assembly includes a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are both vertically arranged, and a lifting adjustment assembly is connected therebetween, the lifting adjustment assembly includes a shell, a gear, a rack and a lifting handle, the rack is fixedly connected to the second connecting rod, the gear is meshed with the rack, the lifting handle is connected to the gear for driving the gear to rotate, the shell is connected to the first connecting rod, and the lifting handle is rotatably connected to the shell.

[0006] As a further improvement of the above technical solution, the lifting rod assembly also includes a third connecting rod and a fourth connecting rod, the third connecting rod and the fourth connecting rod are both vertically arranged, and the third connecting rod and the second connecting rod, as well as the third connecting rod and the fourth connecting rod are connected by anti-drop bolts.

[0007] As a further improvement of the above technical solution, the anti-drop bolt includes an elastic member and two clamping members, the elastic member is connected between the two clamping members, and the deformation direction of the elastic member is horizontal;

[0008] The clamping member includes a column and a limiting portion, and the limiting portion is connected to the outer wall of the column; the outer wall of the second connecting rod, the outer wall of the third connecting rod and the outer wall of the fourth connecting rod are each provided with two bolt holes, the two bolt holes are arranged opposite to each other, the column is passed through the bolt hole, and the limiting portion is limited to the inner end of the bolt hole.

[0009] As a further improvement of the above technical solution, the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod are all galvanized square tubes.

[0010] As a further improvement of the above technical solution, the base includes a reinforcing tube and four legs. The reinforcing tube is located at the lower end of the first connecting rod and is sleeved on the outer wall of the first connecting rod. The ends of each leg are connected to the reinforcing tube, and two adjacent legs are arranged perpendicular to each other.

[0011] As a further improvement of the above technical solution, the reinforcing tube is connected to the supporting leg via a rotating member, and the rotating member is used to adjust the angle between the supporting leg and the reinforcing tube.

[0012] As a further improvement of the above technical solution, a roller is provided at the bottom of each of the legs.

[0013] As a further improvement of the above technical solution, a soft rubber gasket is arranged between the lifting rod assembly and the impact drill.

[0014] As a further improvement of the above technical solution, a mounting portion is provided at the upper end of the lifting rod assembly, and the impact drill is tied to the mounting portion.

[0015] As a further improvement of the above technical solution, a switch is provided on the first connecting rod, the switch is electrically connected to the impact drill, and the switch is used to control the start and stop of the impact drill.

[0016] The beneficial effect of the utility model is that since the lifting rod assembly includes a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are both vertically arranged, and a lifting adjustment assembly is connected between the two, the height of the lifting rod assembly can be adjusted by the lifting adjustment assembly. Specifically, the lifting handle is rotated to drive the gear to rotate, and since the gear is meshed with the rack, the rack can be driven to rise and fall during the rotation of the gear, and the rack is fixedly connected to the second connecting rod, and the rack can drive the entire lifting rod assembly to extend or shorten during the lifting process, and the lifting rod assembly is connected between the base and the impact drill, so that the height of the impact drill can be adjusted. When drilling a hole in the top plate, the impact drill can be adjusted to a suitable height to facilitate drilling of the top plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0018] Figure 1 It is a structural schematic diagram of the lifting top plate punching device provided by the first embodiment of the utility model;

[0019] Figure 2 yes Figure 1 A magnified view of the structure of part A;

[0020] Figure 3 It is a structural schematic diagram of the lifting and adjusting assembly of the lifting top plate punching device provided in the first embodiment of the utility model;

[0021] Figure 4 It is a structural schematic diagram of another angle of the lifting adjustment component of the lifting top plate punching device provided by the first embodiment of the utility model;

[0022] Figure 5 It is a structural schematic diagram of the anti-drop bolt of the lifting top plate punching device provided in the first embodiment of the utility model;

[0023] Figure 6 It is a structural schematic diagram of a lifting top plate punching device provided in the second embodiment of the utility model.

[0024] Reference numerals: Figure 1-5 In the middle, 1. base, 2. lifting rod assembly, 3. impact drill;

[0025] 11. Leg, 12. Rotating member, 13. Reinforcement tube, 21. First connecting rod, 22. Second connecting rod, 23. Lifting adjustment assembly, 24. Third connecting rod, 25. Fourth connecting rod, 26. Anti-drop bolt, 27. Soft rubber gasket, 28. Mounting part;

[0026] 111, roller, 211, bolt hole, 212, switch, 230, housing, 231, gear, 232, rack, 233, lifting handle, 234, through hole, 261, elastic member, 262, clamping member, 263, column, 264, limiting part;

[0027] exist Figure 6 Middle, 4. Horizontal handle, 5. Switch. DETAILED DESCRIPTION

[0028] The following will be combined with the embodiments and drawings to clearly and completely describe the concept, specific structure and technical effects of the utility model, so as to fully understand the purpose, characteristics and effects of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, other embodiments obtained by technicians in this field without creative work are all within the scope of protection of the utility model. In addition, all the connection / connection relationships involved in the patent do not refer to the direct connection of components, but refer to the fact that according to the specific implementation situation, a better connection structure can be formed by adding or reducing connection accessories. For example, fixed connection / fixed installation can be selected according to the needs of screw connection, bolt connection, pin connection, key connection, bonding, mortise and tenon connection, welding, riveting and other methods. For example, detachable connection can be selected according to the needs of screw connection, bolt connection, threaded connection, snap connection, mortise and tenon connection, Velcro connection and other methods. The various technical features in the creation of the utility model can be combined interactively without conflicting with each other.

[0029] See also Figure 1-5The first embodiment of the utility model provides a lifting top plate punching device, including a base 1, a lifting rod assembly 2 and an impact drill 3. The lifting rod assembly 2 is vertically arranged, and the upper end of the lifting rod assembly 2 is connected to the impact drill 3, and the lower end of the lifting rod assembly 2 is connected to the base 1; the lifting rod assembly 2 includes a first connecting rod 21 and a second connecting rod 22, the first connecting rod 21 and the second connecting rod 22 are both vertically arranged, and a lifting adjustment assembly 23 is connected therebetween, the lifting adjustment assembly 23 includes a shell 230, a gear 231, a rack 232 and a lifting handle 233, the rack 232 is fixedly connected to the second connecting rod 22, the gear 231 is meshed with the rack 232, the lifting handle 233 is connected to the gear 231, and is used to drive the gear 231 to rotate, the shell 230 is connected to the first connecting rod 21, and the lifting handle 233 is rotatably connected to the shell 230. Since the lifting rod assembly 2 includes a first connecting rod 21 and a second connecting rod 22, the first connecting rod 21 and the second connecting rod 22 are both vertically arranged, and a lifting adjustment assembly 23 is connected between the two, the height of the lifting rod assembly 2 can be adjusted by the lifting adjustment assembly 23. Specifically, the lifting handle 233 is rotated to drive the gear 231 to rotate. Since the gear 231 is meshed with the rack 232, the rack 232 can be driven to rise and fall during the rotation of the gear 231, and the rack 232 is fixedly connected to the second connecting rod 22. The rack 232 can drive the entire lifting rod assembly 2 to extend or shorten during the lifting process, and the lifting rod assembly 2 is connected between the base 1 and the impact drill 3, so that the height of the impact drill 3 can be adjusted. When drilling a hole in the top plate, the impact drill 3 can be adjusted to a suitable height to facilitate drilling of the top plate. The construction personnel rotate the lifting handle 233 to lift it, which can make the impact drill 3 slowly rise, which can effectively control the drilling force, and is more conducive to controlling the drilling quality and protecting the impact drill 3.

[0030] In the embodiment, the gear 231 is located inside the shell 230 . A through hole 234 is provided on the shell 230 . The lifting handle 233 passes through the through hole 234 and is connected to the gear 231 . The shell 230 can protect the gear 231 .

[0031] The lifting rod assembly 2 further includes a third connecting rod 24 and a fourth connecting rod 25, both of which are vertically arranged, and the third connecting rod 24 and the second connecting rod 22 as well as the third connecting rod 24 and the fourth connecting rod 25 are connected by an anti-drop bolt 26. The third connecting rod 24 and the fourth connecting rod 25 can increase the height of the entire device, making the device more applicable, and the anti-drop bolt 26 can prevent the third connecting rod 24 and the fourth connecting rod 25 from falling, and is used to maintain the height of the two and ensure the reliability of the device.

[0032] The anti-drop bolt 26 includes an elastic member 261 and two clamping members 262, the elastic member 261 is connected between the two clamping members 262, and the deformation direction of the elastic member 261 is horizontal; the clamping member 262 includes a column 263 and a limiting portion 264, and the limiting portion 264 is connected to the outer wall of the column 263; the outer wall of the second connecting rod 22, the outer wall of the third connecting rod 24 and the outer wall of the fourth connecting rod 25 are all provided with two bolt holes 211, the two bolt holes 211 are arranged opposite to each other, the column 263 is penetrated by the bolt hole 211, and the limiting portion 264 is limited to the inner end of the bolt hole 211. Taking the second connecting rod 22 and the third connecting rod 24 as an example, firstly, the two columns 263 are respectively extended from the outer sides of the two bolt holes 211 on the third connecting rod 24, and the limiting part 264 is limited to the inner wall of the third connecting rod 24, and then one end of the third connecting rod 24 is inserted into the second connecting rod 22, and the two columns 263 are squeezed by the inner wall of the second connecting rod 22, and the elastic member 261 contracts. When the two columns 263 are aligned with the two bolt holes 211 of the third connecting rod 24, the elastic member 261 is extended, and the two columns 263 are pushed out from the two bolt holes 211 of the third connecting rod 24, so that the installation of the second connecting rod 22 and the third connecting rod 24 is completed. If the two need to be disassembled, the two columns 263 are pressed inwardly, the elastic member 261 contracts, and then the third connecting rod 24 is taken out from the second connecting rod 22, which is convenient for disassembly and assembly. The third connecting rod 24 and the fourth connecting rod 25 are operated in the same way, which will not be described here.

[0033] The first connecting rod 21, the second connecting rod 22, the third connecting rod 24 and the fourth connecting rod 25 are all galvanized square tubes to prevent rust during use. The length of each connecting rod is 1.5 meters, and its specifications can be selected from the following specifications in sequence: 90x90, 80x80, 70x70, 50x50, 40x40, and the thickness of the connecting rod is not less than 2mm.

[0034] In other embodiments, the connecting rods can be set to other numbers, and the number of connecting rods can be flexibly used according to different working heights, which has strong applicability.

[0035] The base 1 includes a reinforcing tube 13 and four legs 11. The reinforcing tube 13 is located at the lower end of the first connecting rod 21 and is sleeved on the outer wall of the first connecting rod 21. The ends of each leg 11 are connected to the reinforcing tube 13, and two adjacent legs 11 are arranged perpendicular to each other, so that the base 1 can provide stable support.

[0036] The reinforcing tube 13 is connected to the supporting leg 11 via a rotating member 12, and the rotating member 12 is used to adjust the angle between the supporting leg 11 and the reinforcing tube 13. Each supporting leg 11 can be folded so that the entire base 1 can be gathered into a bundle for easy storage and carrying.

[0037] In this embodiment, the reinforcing tube 13 is a galvanized square tube to prevent rust.

[0038] The bottom of each leg 11 is provided with a roller 111, and the roller 111 is used to drive the entire base 1 to move, so as to facilitate carrying and moving the device to different positions of the top plate for drilling holes.

[0039] A soft rubber gasket 27 is arranged between the lifting rod assembly 2 and the impact drill 3 to alleviate the impact of the impact drill 3, which is helpful to avoid hard collision. In this embodiment, the impact drill 3 is arranged on the top of the fourth connecting rod 25, and the soft rubber gasket 27 is arranged between the impact drill 3 and the fourth connecting rod 25.

[0040] In other embodiments, if the number of connecting rods is not four, the impact drill is placed on the top of the uppermost connecting rod, and a soft rubber gasket is placed between the two.

[0041] The upper end of the lifting rod assembly 2 is provided with a mounting portion 28, and the impact drill 3 is tied to the mounting portion 28, which is convenient for fixing the impact drill 3, and is easy to disassemble and replace the impact drill 3. The diameter of the impact drill 3 can be determined according to the needs of drilling on site. In this embodiment, the mounting portion 28 is arranged on the upper end of the fourth connecting rod 25.

[0042] In other embodiments, if the number of connecting rods is not four, the mounting portion is disposed at the upper end of the uppermost connecting rod.

[0043] A switch 212 is provided on the first connecting rod 21 . The switch 212 is electrically connected to the impact drill 3 . The switch 212 is used to control the start and stop of the impact drill 3 . The switch 212 is located relatively low, which is convenient for construction workers to operate.

[0044] See also Figure 6 The second embodiment of the utility model provides a lifting top plate punching device, and the structures of its base, lifting rod assembly and impact drill are the same as those of the first embodiment, which will not be repeated here. The difference is that in this embodiment, a horizontal handle 4 is provided on the first connecting rod, and a switch 5 is provided on the horizontal handle 4. The horizontal handle 4 is convenient for construction workers to grasp. Setting the switch 5 on the horizontal handle 4 can facilitate construction workers to operate the switch 5. The interior of the horizontal handle 4 is hollow and can be used to place wires connected to the impact drill.

[0045] The above is a specific description of the preferred implementation of the utility model, but the invention of the utility model is not limited to the described embodiments. Technical personnel familiar with the field can also make various equivalent deformations or substitutions without violating the spirit of the utility model. These equivalent deformations or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A lifting top plate punching device, characterized in that: It comprises a base, a lifting rod assembly and an impact drill, wherein the lifting rod assembly is vertically arranged, and the upper end of the lifting rod assembly is connected to the impact drill, and the lower end of the lifting rod assembly is connected to the base; The lifting rod assembly includes a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are both vertically arranged, and a lifting adjustment assembly is connected therebetween, the lifting adjustment assembly includes a shell, a gear, a rack and a lifting handle, the rack is fixedly connected to the second connecting rod, the gear is meshed with the rack, the lifting handle is connected to the gear for driving the gear to rotate, the shell is connected to the first connecting rod, and the lifting handle is rotatably connected to the shell.

2. The lifting top plate punching device according to claim 1, characterized in that: The lifting rod assembly also includes a third connecting rod and a fourth connecting rod, the third connecting rod and the fourth connecting rod are both vertically arranged, and the third connecting rod and the second connecting rod, as well as the third connecting rod and the fourth connecting rod are both connected via anti-drop bolts.

3. The lifting top plate punching device according to claim 2, characterized in that: The anti-drop bolt comprises an elastic member and two clamping members, the elastic member is connected between the two clamping members, and the deformation direction of the elastic member is a horizontal direction; The clamping member includes a column and a limiting portion, and the limiting portion is connected to the outer wall of the column; the outer wall of the second connecting rod, the outer wall of the third connecting rod and the outer wall of the fourth connecting rod are each provided with two bolt holes, the two bolt holes are arranged opposite to each other, the column is passed through the bolt hole, and the limiting portion is limited to the inner end of the bolt hole.

4. The lifting top plate punching device according to claim 2, characterized in that: The first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod are all galvanized square tubes.

5. The lifting top plate punching device according to claim 1, characterized in that: The base includes a reinforcing tube and four legs. The reinforcing tube is located at the lower end of the first connecting rod and is sleeved on the outer wall of the first connecting rod. The ends of each leg are connected to the reinforcing tube, and two adjacent legs are arranged perpendicular to each other.

6. The lifting top plate punching device according to claim 5, characterized in that: The reinforcing tube is connected to the supporting leg via a rotating member, and the rotating member is used to adjust the angle between the supporting leg and the reinforcing tube.

7. The lifting top plate punching device according to claim 5, characterized in that: The bottom of each of the legs is provided with a roller.

8. The lifting top plate punching device according to claim 1, characterized in that: A soft rubber gasket is arranged between the lifting rod assembly and the impact drill.

9. The lifting top plate punching device according to claim 1, characterized in that: The upper end of the lifting rod assembly is provided with a mounting portion, and the impact drill is tied to the mounting portion.

10. The lifting top plate punching device according to claim 1, characterized in that: The first connecting rod is provided with a switch, the switch is electrically connected to the impact drill, and the switch is used to control the start and stop of the impact drill.

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