Building engineering hole reserving device convenient to adjust

Abstract

The utility model discloses a constructional engineering hole reserving device convenient to adjust. An upper hole reserving supporting plate and a lower hole reserving supporting plate are connected through two lifting connecting rods. Fixed plates are symmetrically and fixedly arranged at the left end and the right end of the lower hole-reserved supporting plate respectively, and movable plates are symmetrically connected to the left end and the right end of the upper hole-reserved supporting plate respectively; the movable plate and the fixed plate are arranged in parallel through four guide lead screws, and the movable plate moves up and down relative to the fixed plate through two adjusting mechanisms. According to the scheme, the lifting adjusting structures of symmetrical structures are arranged, the size of the reserved hole can be changed according to actual requirements, adjustment is convenient, the stability after adjustment is higher, demolding treatment can be assisted through the arranged demolding structure, and the functional diversity of the device is enhanced.

Description

Technical Field

[0001] The utility model relates to a hole-leaving device for construction engineering, in particular to a hole-leaving device for construction engineering which is easy to adjust. Background Art

[0002] In the construction of modern residential buildings, as there are more and more high-rise buildings, the phenomenon of pipelines passing through floor slabs is becoming more and more common in the construction of high-rise buildings such as kitchens and bathrooms where pipelines are dense. In order to deal with this phenomenon, a large number of pipe holes are reserved in the existing high-rise construction. After the concrete is poured, the inter-building pipelines are set through the reserved pipe holes, which can save the time of drilling holes and avoid the reduction of floor slab strength caused by drilling holes. The application of reserved pipelines before pouring is becoming more and more extensive. Therefore, the demand for a hole-leaving device for construction projects that is easy to adjust is growing.

[0003] However, the existing hole-leaving devices for construction projects still have some defects and shortcomings, and the specific areas that need to be improved are as follows:

[0004] (1) The existing hole-retaining device for construction engineering does not have a demoulding structure during use, which is not convenient for demoulding.

[0005] (2) The existing hole-leaving device for construction projects cannot flexibly adjust the height of the hole-leaving position during use, and the stability after adjustment is poor. Utility Model Content

[0006] In view of the above-mentioned deficiencies existing in the prior art, the purpose of the utility model is to provide an easily adjustable hole-leaving device for construction projects, which is used to solve the problems that the height adjustment process of the hole-leaving device for construction projects during use is inconvenient, the stability is poor, and it is not easy to demould.

[0007] The technical solution adopted by the utility model to achieve the above-mentioned purpose is: a hole-leaving device for construction engineering that is easy to adjust, including an upper hole-leaving support plate and a lower hole-leaving support plate, the inner side wall of the upper hole-leaving support plate is coaxially and tightly provided with an upper stripping plate for assisting demoulding; the inner side wall of the lower hole-leaving support plate is coaxially and tightly provided with a lower stripping plate for assisting demoulding. The upper hole-leaving support plate and the lower hole-leaving support plate are connected by two lifting connecting rods, the first end of the first lifting connecting rod is connected to the lower end of the left side of the upper hole-leaving support plate, and the second end of the first lifting connecting rod is connected to the upper end of the left side of the lower hole-leaving support plate; the first end of the second lifting connecting rod is connected to the lower end of the right side of the upper hole-leaving support plate, and the second end of the second lifting connecting rod is connected to the upper end of the right side of the lower hole-leaving support plate. Fixed plates are symmetrically fixed at the left and right ends of the lower hole-leaving support plate, and movable plates are symmetrically connected at the left and right ends of the upper hole-leaving support plate. Four guide screws are arranged in parallel between the movable plate and the fixed plate, and the movable plate moves up and down relative to the fixed plate through two adjusting mechanisms, the first adjusting mechanism passes through the movable plate and the bottom end of the first adjusting mechanism is arranged on the surface of the fixed plate; the second adjusting mechanism passes through the movable plate and the bottom end of the second adjusting mechanism is arranged on the surface of the fixed plate.

[0008] In order to further improve the ease of use of the easily adjustable hole-leaving device for construction projects, the solution adopted by the utility model is that a first connection end a for fixed connection is provided at the lower end of the left side of the upper hole-leaving support plate, and a second connection end b for fixed connection is provided at the lower end of the right side of the upper hole-leaving support plate.

[0009] In order to further improve the ease of use of the easily adjustable hole-leaving device for construction projects, the solution adopted by the utility model is that a third connection end c for fixed connection is provided at the upper end of the left side of the lower hole-leaving support plate, and a fourth connection end d for fixed connection is provided at the upper end of the right side of the lower hole-leaving support plate.

[0010] In order to further improve the ease of use of the easily adjustable hole-leaving device for construction projects, the solution adopted by the utility model is: the top end of the first lifting link is connected to a first upper assembly end for fixed connection, and the bottom end of the first lifting link is connected to a second lower assembly end for fixed connection.

[0011] In order to further improve the ease of use of the easily adjustable hole-leaving device for construction projects, the solution adopted by the utility model is: the top end of the second lifting link is connected to a third upper assembly end for fixed connection, and the bottom end of the second lifting link is connected to a second lower assembly end for fixed connection.

[0012] In order to further improve the ease of use of the easily adjustable hole-leaving device for construction projects, the solution adopted by the utility model is that a threaded sleeve plate for limiting position is provided on the guide screw rod.

[0013] In order to further improve the ease of use of the easily adjustable hole-leaving device for construction projects, the solution adopted by the utility model is: the first adjusting mechanism includes a first threaded rod, a first transmission end and a first drive motor, the bottom end of the first threaded rod is connected to the fixed plate, the top end of the first threaded rod is connected to the first transmission end, and is connected to a first output shaft through the first transmission end, and the first output shaft is connected to the first drive motor in a transmission manner.

[0014] In order to further improve the ease of use of the easily adjustable hole-leaving device for construction projects, the solution adopted by the utility model is: the second adjustment mechanism includes a second threaded rod, a second transmission end and a second drive motor, the bottom end of the second threaded rod is connected to the fixed plate, the top end of the second threaded rod is connected to the second transmission end, and the second transmission end is connected to the second output shaft and the second drive motor through the second transmission end.

[0015] In order to further improve the ease of use of the easily adjustable hole-leaving device for construction projects, the solution adopted by the utility model is that the fixing plate and each of the guide screw rods are fixedly connected by a positioning pin.

[0016] In order to further improve the ease of use of the easily adjustable hole-leaving device for construction projects, the solution adopted by the utility model is that the number of the positioning pins provided is at least four.

[0017] The beneficial effects of the utility model are as follows: the easily adjustable hole-leaving device for construction projects is provided with a symmetrical lifting and adjusting structure, which can change the size of the hole according to actual needs, is easy to adjust, and has higher stability after adjustment; the demoulding process is assisted by the provided demoulding structure, thereby enhancing the functional diversity of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic structural diagram of the first embodiment of the utility model (the hole-leaving device is in a raised state);

[0019] Figure 2 This is a structural schematic diagram of the second embodiment of the utility model (when the hole-retaining device is in a lowered state);

[0020] Figure 3 It is a schematic diagram of the top view structure of the utility model;

[0021] Figure 4 It is a schematic diagram of the exploded structure of the upper hole-supporting plate, the first lifting connecting rod, the second lifting connecting rod and the lower hole-supporting plate of the utility model;

[0022] Figure 5 This is a schematic diagram of the structure of the first lifting link of the utility model in a shortened state;

[0023] Figure 6 It is a schematic diagram of the structure of the second lifting link of the utility model in an extended state.

[0024] In the figure: 1 upper hole support plate, a first connecting end, b second connecting end, 2 upper stripping plate, 3 lower hole support plate, c third connecting end, d fourth connecting end, 4 lower stripping plate, 5 first lifting connecting rod, 51 first upper assembly end, 52 second lower assembly end, 6 second lifting connecting rod, 61 third upper assembly end, 62 fourth lower assembly end, 7 fixed plate, 8 movable plate, 9 guide screw rod, 91 threaded sleeve plate, 10 positioning pin, 11 first threaded rod, 12 first transmission end, 13 first output shaft, 14 first drive motor, 15 second threaded rod, 16 second transmission end, 17 second output shaft, 18 second drive motor. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figures 1 to 4The utility model is a construction engineering hole-leaving device that is easy to adjust, comprising an upper hole-leaving support plate 1 and a lower hole-leaving support plate 3. The inner side wall of the upper hole-leaving support plate 1 is coaxially and tightly provided with an upper stripping plate 2 for assisting demoulding; the inner side wall of the lower hole-leaving support plate 3 is coaxially and tightly provided with a lower stripping plate 4 for assisting demoulding, and the upper stripping plate 2 and the lower stripping plate 4 are used for demoulding at an inclined angle to avoid inconvenience in disassembly. The upper hole-leaving support plate 1 and the lower hole-leaving support plate 3 are connected by two lifting links, the first end of the first lifting link 5 is connected to the lower end of the left side of the upper hole-leaving support plate 1, and the second end of the first lifting link 5 is connected to the upper end of the left side of the lower hole-leaving support plate 3; the first end of the second lifting link 6 is connected to the lower end of the right side of the upper hole-leaving support plate 1, and the second end of the second lifting link 6 is connected to the upper end of the right side of the lower hole-leaving support plate 3. Fixed plates 7 are symmetrically fixed at the left and right ends of the lower hole-retaining support plate 3, and movable plates 8 are symmetrically connected at the left and right ends of the upper hole-retaining support plate 1. The movable plate 8 is arranged in parallel with the fixed plate 7 through four guide screws 9, and the movable plate 8 moves up and down relative to the fixed plate 7 through two adjustment mechanisms. The first adjustment mechanism passes through the movable plate 8 and the bottom end of the first adjustment mechanism is arranged on the surface of the fixed plate 7; the second adjustment mechanism passes through the movable plate 8 and the bottom end of the second adjustment mechanism is arranged on the surface of the fixed plate 7. When the two adjustment mechanisms are driven downward at the same time, the movable plate 8 drives the upper hole-retaining support plate 1 upward with the fixed plate 7, thereby lengthening the first lifting link 5 and the second lifting link 6, realizing lifting adjustment and expanding the hole-retaining volume; when the two adjustment mechanisms are driven upward at the same time, the movable plate 8 drives the upper hole-retaining support plate 1 downward with the fixed plate 7, thereby shortening the first lifting link 5 and the second lifting link 6, realizing lifting adjustment and reducing the hole-retaining volume.

[0027] See also Figure 5 to Figure 6 The lower end of the left side of the upper hole-supporting plate 1 is provided with a first connection end a for fixed connection, and the lower end of the right side of the upper hole-supporting plate 1 is provided with a second connection end b for fixed connection; the upper end of the left side of the lower hole-supporting plate 3 is provided with a third connection end c for fixed connection, and the upper end of the right side of the lower hole-supporting plate 3 is provided with a fourth connection end d for fixed connection. The top end of the first lifting link 5 is connected with a first upper assembly end 51 for fixed connection, and the bottom end of the first lifting link 5 is connected with a second lower assembly end 52 for fixed connection; the top end of the second lifting link 6 is connected with a third upper assembly end 61 for fixed connection, and the bottom end of the second lifting link 6 is connected with a fourth lower assembly end 62 for fixed connection.

[0028] The first connection end a is fixedly connected to the first upper assembly end 51 ; the second connection end b is fixedly connected to the third upper assembly end 61 .

[0029] The third connection end c is fixedly connected to the third upper assembly end 61 ; the fourth connection end d is fixedly connected to the fourth lower assembly end 62 .

[0030] The guide screw rod 9 is provided with a threaded sleeve 91 , which limits the up and down movement distance of the movable plate 8 , thereby controlling the lifting height of the upper hole-supporting plate 1 and the lower hole-supporting plate 3 .

[0031] The first adjustment mechanism includes a first threaded rod 11, a first transmission end 12 and a first drive motor 14. The bottom end of the first threaded rod 11 is connected to the fixed plate 7, the top end of the first threaded rod 11 is connected to the first transmission end 12, and is connected to a first output shaft 13 through the first transmission end 12. The first output shaft 13 is in transmission connection with the first drive motor 14. The first drive motor 14 drives the first threaded rod 11 to transmit, thereby controlling the movable plate 8 to move up and down.

[0032] The second adjustment mechanism includes a second threaded rod 15, a second transmission end 16 and a second drive motor 18. The bottom end of the second threaded rod 15 is connected to the fixed plate 7, and the top end of the second threaded rod 15 is connected to the second transmission end 16, which is connected to the second drive motor 18 through the second transmission end 16 and a second output shaft 17. The second drive motor 18 drives the second threaded rod 15 to drive, thereby controlling the movable plate 8 to move up and down.

[0033] The fixing plate 7 is fixedly connected to each of the guide screw rods 9 via positioning pins 10. The number of positioning pins 10 is at least four, which are used to respectively position the bottom end of each of the guide screw rods 9 to improve stability.

[0034] The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0035] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A construction engineering hole-leaving device that is easy to adjust, comprising an upper hole-leaving support plate (1) and a lower hole-leaving support plate (3), characterized in that: An upper demoulding plate (2) for assisting demoulding is coaxially and tightly arranged on the inner side wall of the upper hole-retaining support plate (1); A lower demoulding plate (4) for assisting demoulding is coaxially and tightly arranged on the inner side wall of the lower hole-retaining support plate (3); The upper hole-retaining support plate (1) and the lower hole-retaining support plate (3) are connected via two lifting connecting rods; The first end of the first lifting link (5) is connected to the lower end of the left side of the upper hole-retaining support plate (1), and the second end of the first lifting link (5) is connected to the upper end of the left side of the lower hole-retaining support plate (3); The first end of the second lifting link (6) is connected to the lower end of the right side of the upper hole-retaining support plate (1), and the second end of the second lifting link (6) is connected to the upper end of the right side of the lower hole-retaining support plate (3); Fixed plates (7) are symmetrically fixedly arranged at the left and right ends of the lower hole-retaining support plate (3); Movable plates (8) are symmetrically connected to the left and right ends of the upper hole-retaining support plate (1); Four guide screws (9) are arranged in parallel between the movable plate (8) and the fixed plate (7), and the movable plate (8) moves up and down relative to the fixed plate (7) via two adjustment mechanisms; The first adjustment mechanism passes through the movable plate (8) and the bottom end of the first adjustment mechanism is arranged on the surface of the fixed plate (7); The second adjustment mechanism passes through the movable plate (8) and the bottom end of the second adjustment mechanism is arranged on the surface of the fixed plate (7).

2. The easily adjustable hole-leaving device for construction engineering according to claim 1, characterized in that: A first connection end (a) for fixed connection is provided at the lower end on the left side of the upper hole-supporting plate (1), and a second connection end (b) for fixed connection is provided at the lower end on the right side of the upper hole-supporting plate (1).

3. The easily adjustable hole-leaving device for construction engineering according to claim 1, characterized in that: A third connection end (c) for fixed connection is provided at the upper end on the left side of the lower hole-retaining support plate (3), and a fourth connection end (d) for fixed connection is provided at the upper end on the right side of the lower hole-retaining support plate (3).

4. The easily adjustable hole-leaving device for construction engineering according to claim 1, characterized in that: The top end of the first lifting link (5) is connected to a first upper assembly end (51) for fixed connection, and the bottom end of the first lifting link (5) is connected to a second lower assembly end (52) for fixed connection.

5. The easily adjustable hole-leaving device for construction engineering according to claim 1, characterized in that: The top end of the second lifting link (6) is connected to a third upper assembly end (61) for fixed connection, and the bottom end of the second lifting link (6) is connected to a fourth lower assembly end (62) for fixed connection.

6. The easily adjustable hole-leaving device for construction engineering according to claim 1, characterized in that: The guide screw rod (9) is provided with a threaded sleeve plate (91) for limiting position.

7. The easily adjustable hole-leaving device for construction engineering according to claim 1, characterized in that: The first adjustment mechanism comprises a first threaded rod (11), a first transmission end (12) and a first drive motor (14); the bottom end of the first threaded rod (11) is connected to the fixed plate (7); the top end of the first threaded rod (11) is connected to the first transmission end (12), and is connected to a first output shaft (13) via the first transmission end (12); the first output shaft (13) and the first drive motor (14) are connected in a transmission manner.

8. The easily adjustable hole-leaving device for construction engineering according to claim 1, characterized in that: The second adjusting mechanism comprises a second threaded rod (15), a second transmission end (16) and a second driving motor (18); the bottom end of the second threaded rod (15) is connected to the fixing plate (7); the top end of the second threaded rod (15) is connected to the second transmission end (16); and the second transmission end (16) is connected to a second output shaft (17) and is connected to the second driving motor (18) for transmission.

9. The easily adjustable hole-leaving device for construction engineering according to claim 1, characterized in that: The fixing plate (7) and each guide screw rod (9) are fixedly connected via a positioning pin (10).

10. The easily adjustable hole-leaving device for construction engineering according to claim 9, characterized in that: The number of the positioning pins (10) provided is at least four.

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