CN222025421U - Building floor slab concrete placement operation rack - Google Patents

Abstract

The utility model relates to the technical field of constructional engineering, and discloses a building floor slab concrete pouring operation bench, which comprises the following components: the four support legs are distributed in a rectangular array, the four support legs are correspondingly and slidably connected with the lower ends of four lifting rods in a one-to-one correspondence manner along the vertical direction, and the upper ends of the lifting rods are fixedly connected with an operation platform; and the bottom plate is fixedly connected with the four supporting legs, the bottom plate is positioned below the operation platform, the middle part of the bottom plate is fixedly connected with a first support, the first support is rotationally connected with a worm and two worm gears meshed with the worm, the worm gears are in one-to-one key connection with rotating shafts distributed along the horizontal direction, the rotating shafts penetrate through the worm gears, two ends of the rotating shafts are respectively in one-to-one correspondence with one ends of two shifting fork rods, and the other ends of the four shifting fork rods penetrate through the four supporting legs in one-to-one correspondence and are in sliding butt with the bottom ends of the four lifting rods. According to the utility model, a plurality of lifting rods can move simultaneously through one set of driving source, the structure is simple, the production and the assembly are easy, and the operation is convenient.

Description

Building floor slab concrete placement operation rack

Technical Field

The utility model relates to the technical field of constructional engineering, in particular to a building floor slab concrete pouring operation rack.

Background

In the construction process of building floor concrete pouring, ensuring the integrity of the steel reinforcement framework and the thickness of the protective layer are of great importance. If an operator directly steps on the bound floor steel reinforcement framework in the construction process, the steel reinforcement can sink or deform, and the bearing capacity and durability of the structure are affected. Thus, the use of a work bench is an effective precaution.

The patent with the bulletin number of CN217353433U discloses a house building floor concrete placement operation rack, and the middle part on the inner wall top of the inverted U-shaped supporting table of this patent is fixed and is equipped with the rectangular plate, and the bottom of rectangular plate is equipped with lifting support assembly, and supporting assembly is four flexible rubber barrels, and flexible rubber barrel internal fixation is provided with the multistage pneumatic cylinder of second, realizes the lift of inverted U-shaped supporting table by the multistage pneumatic cylinder of second simultaneously flexible.

The patent with the bulletin number of CN214658887U discloses a building floor concrete pouring operation rack, and this patent is through starting motor, and the motor drives the threaded rod rotation, produces relative motion between lifter and the threaded rod, and the lifter realizes elevating movement under the guide effect simultaneously to improve the work efficiency of operator's elevating operation board, adopt multiunit motor and threaded rod complex mode to realize the operation board and go up and down equally.

The lifting process of the working platform (namely the supporting table and the working plate) is realized by a plurality of groups of lifting components (namely the lifting supporting components and the threaded rods), the lifting components are driven by respective power sources, and the four power sources need to be synchronously driven, so that the defects of complex structure, difficult assembly, high production cost and the like are overcome, and the production and use processes are not facilitated.

Disclosure of utility model

The utility model aims to provide a building floor slab concrete pouring operation bench for overcoming the defects of the conditions.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: a building floor concrete placement work rack comprising:

The four support legs are distributed in a rectangular array, the four support legs are correspondingly and slidably connected with the lower ends of four lifting rods in a one-to-one correspondence manner along the vertical direction, and the upper ends of the lifting rods are fixedly connected with an operation platform; and

The bottom plate with four supporting leg fixed connection, the bottom plate is located work platform's below and middle part fixedly connected with first support, rotate on the first support be connected with the worm and with two worm wheels of worm meshing, worm wheel one-to-one key connection has the axis of rotation of laying along the horizontal direction, the axis of rotation runs through the worm wheel, and the one end of two fork bars of both ends respectively one-to-one fixedly connected with, four the other end one-to-one of fork bar runs through four the supporting leg just with four the bottom slip butt of lifter.

Further, the two worm gears are distributed in a central symmetry mode along the axis of the worm.

Further, a notch which is shaped like 冂 is arranged at the lower end of the lifting rod, a sliding rod is fixedly connected in the notch, and the sliding rod is in sliding butt joint with the other end of the shifting fork rod.

Further, a U-shaped groove is formed in the other end of the shifting fork rod, and the U-shaped groove is connected with the sliding rod in a sliding mode.

Further, the supporting leg is of a cylindrical structure with an opening at the top end, a sliding groove along the vertical direction is arranged on the side wall of the supporting leg, and the other end of the shifting fork rod is in sliding connection with the sliding groove.

Further, the telescopic device further comprises a telescopic rod, the lower end of the telescopic rod is connected with the worm in a sliding mode, and the upper end of the telescopic rod penetrates through the working platform and is connected with the working platform in a rotating mode.

Further, the telescopic rod includes:

the driving rod penetrates through the operation platform and is rotationally connected with the operation platform; and

The upper end with the lower extreme sliding connection's of actuating lever sleeve pipe, the lower extreme of sleeve pipe with worm sliding connection, actuating lever, sleeve pipe and worm can synchronous circumference rotation.

Further, a first sliding rod and a second sliding rod are respectively and vertically fixedly connected to the lower end of the driving rod and the upper end of the worm, a first vertical groove and a second vertical groove are sequentially distributed on the side wall of the sleeve from top to bottom, and the first sliding rod and the second sliding rod are sequentially and slidably connected with the first vertical groove and the second vertical groove; the upper end of the driving rod is fixedly connected with a driving wheel.

Further, the sliding blocks are arranged on the side wall of the operation platform, the guard rails are arranged on the periphery of the operation platform, the sliding rails in the vertical direction are fixedly arranged on the guard rails, and the sliding blocks are fixedly and slidably connected with the sliding rails.

Further, the lateral wall of sliding block has laid the locking hole towards one side of slide rail, be fixedly connected with 匚 shape frame on the lateral wall of rail guard, 匚 shape frame's notch orientation the rail guard sets up, 匚 shape frame runs through and is provided with the locking pole, the perpendicular fixedly connected with pin of locking pole, the pin is located between 匚 shape frame and the rail guard, just the week side cover of locking pole is equipped with compression spring, compression spring's one end with pin connection, compression spring's the other end with 匚 shape frame's center plate is connected, the locking pole one-to-one runs through the slide rail, and selectively penetrates in the locking hole.

Compared with the prior art, the utility model has at least the following advantages:

During the use, through rotating the worm, drive the worm wheel and rotate, further drive the axis of rotation and rotate, when the shift fork pole other end upwards overturns, can drive the lifter upward movement to take the work platform upwards to promote, when the other end of shift fork pole downwards overturns, can drive the lifter downward movement, thereby drive the work platform and move down, stop rotating the worm, the worm can form the auto-lock with the worm wheel between, can guarantee that the work platform keeps steady state.

According to the utility model, a plurality of lifting rods can move simultaneously through a set of driving sources on the premise of not using a driving motor, a hydraulic cylinder and other parts, and the lifting device has the advantages of no power consumption, simple structure, easiness in production and assembly and convenience in operation.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of a concrete pouring work bench for a building floor slab of the present utility model;

FIG. 2 is an exploded view of the concrete placement work bench for a building floor of the present utility model;

FIG. 3 is an enlarged view of a portion of the area B of FIG. 2 in accordance with the present utility model;

FIG. 4 is an exploded view of the telescoping rod, worm gear, worm and bottom plate of the present utility model;

FIG. 5 is an enlarged view of a portion of the area A of FIG. 1 in accordance with the present utility model;

Fig. 6 is an enlarged view of a portion of the area C of fig. 2 in accordance with the present utility model.

Reference numerals: 1. support legs; 2. a sliding groove; 3. a lifting rod; 4. a slide bar; 5. an operation platform; 6. a bottom plate; 7. a first support; 8. a second support; 9. a worm; 10. a second slide bar; 11. a worm wheel; 12. a rotating shaft; 13. a fork lever; 14. a driving wheel; 15. a driving rod; 16. a first slide bar; 17. a sleeve; 18. a first vertical slot; 19. a second vertical slot; 20. a bearing; 21. a guard rail; 22. a slide rail; 23. a sliding block; 24. a locking hole; 25. 匚 -shaped frames; 26. a locking lever; 27. a compression spring; 28. a pin; 29. and (3) a wheel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

Referring to fig. 1-2, the utility model provides a building floor concrete pouring operation bench, which comprises supporting legs 1, lifting rods 3, an operation platform 5, a bottom plate 6, a first support 7, a worm wheel 11, a worm 9, a rotating shaft 12 and a shifting fork rod 13. Wherein: four support legs 1 are arranged, wheels 29 are arranged below the support legs 1 and used for realizing the moving process of the operation bench, and the four support legs 1 are distributed in a rectangular array; the number of the lifting rods 3 is four, the lower ends of the four lifting rods 3 are in one-to-one corresponding sliding connection with the four supporting legs 1 along the vertical direction, the upper ends of the lifting rods 3 are fixedly connected with the working platform 5, and constructors stand on the working platform 5 to perform construction operation; the bottom plate 6 is located the middle part of four supporting legs 1, bottom plate 6 passes through connecting rod and four supporting legs 1 fixed connection, bottom plate 6 is located the below of work platform 5 and middle part fixedly connected with first support 7, rotate on first support 7 and be connected with worm 9 and two worm wheel 11, worm 9 and two worm wheel 11 meshing transmission, the axis of worm 9 sets up along vertical direction, the axis of worm wheel 11 sets up along the horizontal direction, two axis of rotation 12 run through two worm wheel 11 respectively and with two worm wheel 11 one-to-one key connection, axis of rotation 12 lays along the horizontal direction, the both sides equipartition of first support 7 is equipped with second support 8, second support 8 and bottom plate 6 rotate and are connected, the both ends of axis of rotation 12 run through second support 8 respectively and are connected with second support 8 rotation, the both ends of axis of rotation 12 are respectively one-to-one fixedly connected with two fork bars 13's one-to-one, the other end one of four fork bars 13 runs through four supporting legs 1, and with the bottom sliding butt of four lifter 3, fork bars 13 axisymmetrically set up on different axis of rotation 12, can realize upwards upset simultaneously and the lift effect that can be realized by this 3 and the lifter that descends.

During the use, through rotating worm 9, drive worm wheel 11 and rotate, further drive axis of rotation 12 and rotate, when the fork lever 13 other end upwards overturns, can drive lifter 3 upward movement to take work platform 5 upwards to promote, when the other end of fork lever 13 downwards overturns, can drive lifter 3 downward movement, thereby drive work platform 5 and move down, stop rotating worm 9, worm 9 can form the auto-lock with worm wheel 11 between, can guarantee that work platform 5 keeps steady state.

In the utility model, two worm wheels 11 are respectively positioned at two sides of the worm 9, and the two worm wheels 11 are distributed in a central symmetry along the axis of the worm 9. The lower extreme of lifter 3 has laid and has been the breach of "冂" font, and the breach internal fixation has slide bar 4, slide bar 4 and the other end slip butt of shift fork pole 13. The method comprises the following steps: the other end of the shifting fork rod 13 is provided with a U-shaped groove which is in sliding connection with the sliding rod 4.

Specifically, the supporting leg 1 is a tubular structure with an open top, the side wall of the supporting leg 1 is provided with a sliding groove 2 along the vertical direction, and the other end of the shifting fork rod 13 is in sliding connection with the sliding groove 2, namely, the U-shaped groove can be in sliding connection with the sliding groove 2.

Referring to fig. 3-4, the utility model is also provided with a telescopic rod, the lower end of which is in sliding connection with the worm 9, and the upper end of which penetrates the working platform 5 and is in rotary connection with the working platform 5.

Specifically, the telescopic link includes actuating lever 15 and sleeve pipe 17, and actuating lever 15 runs through work platform 5 back fixedly connected with drive wheel 14, and actuating lever 15 passes through bearing 20 and work platform 5 rotation connection, can drive actuating lever 15 rotation through rotating drive wheel 14, and sleeve pipe 17's upper end and actuating lever 15's lower extreme sliding connection, sleeve pipe 17's lower extreme and worm 9 sliding connection, actuating lever 15, sleeve pipe 17 and worm 9 can synchronous circumference rotation.

Optionally, a first sliding rod 16 and a second sliding rod 10 are respectively and vertically fixedly connected to the lower end of the driving rod 15 and the upper end of the worm 9, a first vertical groove 18 and a second vertical groove 19 are sequentially arranged on the side wall of the sleeve 17 from top to bottom, and the first sliding rod 16 and the second sliding rod 10 are respectively and slidably connected with the first vertical groove 18 and the second vertical groove 19.

Through the design, the telescopic effect can be realized among the driving rod 15, the sleeve 17 and the worm 9, and when the working platform 5 is positioned at different heights, the worm 9 can be driven to rotate in a mode of rotating the driving wheel 14, so that the height adjusting process of the working platform 5 can be timely realized when a worker is constructed on the working platform 5.

Referring to fig. 1, 2, 5 and 6, a guard rail 21 is mounted on the periphery of a working platform 5 of the present utility model, a sliding rail 22 along the vertical direction is fixedly arranged on the guard rail 21, a sliding block 23 is arranged on the side wall of the working platform 5, and the sliding block 23 is slidably connected with the sliding rail 22. According to the utility model, the projection of the supporting leg 1, the shifting fork rod 13 and the like in the vertical direction falls into the projection of the working platform 5 in the vertical direction, when the working platform 5 is positioned at the lowest position, the guard rail 21 can be lowered to the lowest position through the cooperation of the sliding block 23 and the sliding rail 22, and the guard rail 21 is not contacted with the ground at the moment, and the guard rail 21 is positioned at the periphery of the supporting leg 1, so that the storage space can be reduced on one hand, and the exposed parts such as the worm wheel 11, the worm 9 and the bottom plate 6 can be protected on the other hand.

In order to realize the location of rail guard 21, the lateral wall of sliding block 23 has laid locking hole 24 towards one side of slide rail 22, rail guard 21's lateral wall lower extreme fixedly connected with 匚 shape frame 25, 匚 shape frame 25's notch sets up towards rail guard 21, 匚 shape frame 25 runs through and is provided with locking lever 26, locking lever 26 vertical fixedly connected with pin 28, pin 28 is located between 匚 shape frame 25 and the rail guard 21, and the week side cover of locking lever 26 is equipped with compression spring 27, compression spring 27's one end is connected with pin 28, compression spring 27's the other end is connected with 匚 shape frame 25's center plate, locking lever 26 one-to-one runs through slide rail 22, and selectively penetrate into locking hole 24. By pulling the lock lever 26 outward in the direction of the guard rail 21 so as to overcome the elastic force of the compression spring 27, the lock lever 26 is released from the lock hole 24, the sliding block 23 and the slide rail 22 can slide with each other, and the effect of lowering the guard rail 21 can be further achieved. Stopping pulling locking lever 26, through lifting guard bar 21, when locking lever 26 and locking hole 24 are relative, locking lever 26 can inlay under compression spring 27's effect and establish in locking hole 24, realizes the location to rail guard 21, and rail guard 21 is located the top of operation platform 5 this moment, realizes the protective effect to the operating personnel.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims (10)

1. The utility model provides a floor concreting operation rack is built in room which characterized in that includes:

The four support legs (1) are distributed in a rectangular array, the four support legs (1) are correspondingly and slidably connected with the lower ends of four lifting rods (3) one by one along the vertical direction, and the upper ends of the lifting rods (3) are fixedly connected with an operation platform (5); and

Bottom plate (6) with four supporting leg (1) fixed connection, bottom plate (6) are located the below and middle part fixedly connected with first support (7) of operation platform (5), rotate on first support (7) be connected with worm (9) and with two worm wheel (11) of worm (9) meshing, worm wheel (11) one-to-one key is connected with axis of rotation (12) of laying along the horizontal direction, axis of rotation (12) run through worm wheel (11), and the one end of two fork levers (13) of both ends one-to-one fixedly connected with respectively, four the other end one-to-one of fork levers (13) runs through four supporting leg (1) and with four the bottom slip butt of lifter (3).

2. A building floor concreting work bench according to claim 1, characterized in that the two worm wheels (11) are distributed centrally and symmetrically along the axis of the worm (9).

3. The building floor slab concrete pouring operation bench according to claim 2, wherein a notch in a shape of 冂 is arranged at the lower end of the lifting rod (3), a sliding rod (4) is fixedly connected in the notch, and the sliding rod (4) is in sliding abutting connection with the other end of the shifting fork rod (13).

4. A building floor concrete placement work bench according to claim 3, characterized in that the other end of the fork rod (13) is provided with a U-shaped groove, which is slidingly connected with the sliding rod (4).

5. The building floor concrete pouring operation bench according to claim 4, wherein the supporting leg (1) is of a cylindrical structure with an open top, a sliding groove (2) along the vertical direction is arranged on the side wall of the supporting leg (1), and the other end of the shifting fork rod (13) is in sliding connection with the sliding groove (2).

6. The building floor concrete pouring operation bench according to claim 1, further comprising a telescopic rod, wherein the lower end of the telescopic rod is in sliding connection with a worm (9), and the upper end of the telescopic rod penetrates through the operation platform (5) and is in rotary connection with the operation platform (5).

7. The building floor concreting work bench of claim 6, wherein the telescopic rod comprises:

a driving rod (15) penetrating the working platform (5) and rotationally connected with the working platform (5); and

The upper end of the sleeve (17) is in sliding connection with the lower end of the driving rod (15), the lower end of the sleeve (17) is in sliding connection with the worm (9), and the driving rod (15), the sleeve (17) and the worm (9) can synchronously rotate circumferentially.

8. The building floor concrete pouring operation bench according to claim 7, wherein a first sliding rod (16) and a second sliding rod (10) are respectively and vertically fixedly connected to the lower end of the driving rod (15) and the upper end of the worm (9), a first vertical groove (18) and a second vertical groove (19) are sequentially distributed on the side wall of the sleeve (17) from top to bottom, and the first sliding rod (16) and the second sliding rod (10) are sequentially connected with the first vertical groove (18) and the second vertical groove (19) in a sliding manner; the upper end of the driving rod (15) is fixedly connected with a driving wheel (14).

9. The building floor concrete pouring operation bench according to claim 1, wherein sliding blocks (23) are arranged on the side wall of the operation platform (5), a guard rail (21) is arranged on the periphery of the operation platform (5), sliding rails (22) along the vertical direction are fixedly arranged on the guard rail (21), and the sliding blocks (23) are fixedly and slidingly connected with the sliding rails (22).

10. The building floor concrete placement operation bench according to claim 9, characterized in that a locking hole (24) is distributed on one side of the side wall of the sliding block (23) facing the sliding rail (22), a 匚 -shaped frame (25) is fixedly connected to the outer side wall of the protective rail (21), a notch of the 匚 -shaped frame (25) faces the protective rail (21), a locking rod (26) is arranged through the 匚 -shaped frame (25), a pin (28) is vertically and fixedly connected to the locking rod (26), the pin (28) is located between the 匚 -shaped frame (25) and the protective rail (21), a compression spring (27) is sleeved on the periphery of the locking rod (26), one end of the compression spring (27) is connected with the pin (28), the other end of the compression spring (27) is connected with a central plate of the 匚 -shaped frame (25), and the locking rod (26) penetrates through the sliding rail (22) in a one-to-one correspondence mode and selectively penetrates into the locking hole (24).