CN212105117U - Stair template fixing device for engineering construction - Google Patents

Abstract

The utility model discloses a stair template fixing device for engineering construction relates to engineering construction field, dismantles loaded down with trivial details, inconvenient problem to the stair template of engineering construction, proposes following scheme now, including fixed box, the welding of left side top casing outer wall of fixed box has motor base, there is driving motor at motor base's top through bolted connection, driving motor's output shaft fixedly connected with threaded rod, the threaded rod rotates the left side casing that runs through fixed box, the outer lane of threaded rod rotates and has cup jointed two thread blocks, the bottom of thread block articulates there is the connecting rod, the bottom of connecting rod articulates there is first splint, two the middle part cross rotation of connecting rod is connected. The utility model relates to a novelty, the stair template of engineering construction is conveniently fixed, is added and is held to make the installation of stair template and all enough simplies of dismantlement, improved the fixed of stair template from this and dismantled, be fit for carrying out marketing.

Description

Stair template fixing device for engineering construction

Technical Field

The utility model relates to an engineering construction technical field especially relates to a stair template fixing device for engineering construction.

Background

Four particulars such as labor cost, material cost, mechanical cost and other direct cost are set under the engineering construction. Wherein the labor cost is checked and calculated by workers in the front line for salary, allowance, food partnering and assistance, but not insurance, and the workers in the front line are checked and calculated by insurance in indirect cost; material cost accounting constitutes material consumption of an engineering entity, wherein the material consumption comprises external lease materials such as quick-release assembly lease cost and scaffold sub-pipe lease cost, and sub-package part accounting such as slope protection, precipitation, water prevention and the like; machinery cost is checked to obtain the rent of a large bulldozer, a road roller, a double-end busy machine, a frog rammer, an automobile pump, a concrete pump, an external elevator, a tower crane and the like, and the rent of the machines includes the maintenance cost of oiling machines of the machines; other direct cost primary accounting cannot distinguish between the above three expenses, but constitutes an engineering project entity's expenditure, such as: the secondary transportation cost of earth, the water cost of engineering, the electricity cost and the like.

The existing construction formwork is fixed by using locking screws, the locking screws need to be screwed up one by one, the working efficiency is low, the locking screws are difficult to detach after being adhered with cement paste, and certain defects exist in the process of construction. Therefore, the stair formwork fixing device for engineering construction is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of stair template fixing device for engineering construction has solved the stair template dismantlement of engineering construction loaded down with trivial details, inconvenient problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the stair template fixing device for engineering construction comprises a fixing box, wherein a motor base is welded on the outer wall of a left top shell of the fixing box, the top of the motor base is connected with a driving motor through a bolt, an output shaft of the driving motor is fixedly connected with a threaded rod, the threaded rod rotates to penetrate through the left shell of the fixing box, two threaded blocks are sleeved on the outer ring of the threaded rod in a rotating mode, a connecting rod is hinged to the bottom of each threaded block, a first clamping plate is hinged to the bottom end of the connecting rod, the middle parts of the connecting rod are connected in a crossed rotating mode, a first toothed plate is welded on the left side of the first clamping plate, a straight gear is arranged on the left side of the first toothed plate, a rotating shaft is fixedly sleeved on a back inner ring of the straight gear, one end, far away from the straight gear, of the rotating shaft is rotatably connected to, and straight-teeth gear and first pinion rack and the meshing transmission of second pinion rack, the bottom welding of second pinion rack has the second splint, two telescopic links of bottom fixedly connected with of second splint, the bottom fixed connection of telescopic link is on the bottom shells inner wall of fixed box.

Preferably, a through hole is formed in the top shell on the left side of the fixed box, the outer ring of the threaded rod is rotatably sleeved in the inner ring of the through hole, the right end of the threaded rod is fixedly connected with a bearing, and the right side of the bearing is fixedly connected to the inner wall of the top shell on the right side of the fixed box.

Preferably, the inner walls of the shells at the left side and the right side of the fixed box are fixedly connected with limiting rods, the side surfaces of the two thread blocks are provided with limiting holes, and the outer ring of each limiting rod is movably sleeved in the inner ring of each limiting hole.

Preferably, two first chutes are formed in the top of the first clamping plate, two first sliding blocks are hinged to the bottom ends of the connecting rods, and outer rings of the first sliding blocks are respectively sleeved in inner rings of the first chutes in a sliding mode.

Preferably, the left side of the second toothed plate is fixedly connected with a second sliding block, a second sliding groove is formed in the inner wall of the left side shell of the fixing box, and the outer ring of the second sliding block is sleeved in the inner ring of the second sliding groove in a sliding manner.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an installation driving motor, the threaded rod, the gag lever post, the thread piece, the connecting rod, first splint, first pinion rack, the straight-teeth gear, the second pinion rack, second splint isotructure, driving motor drives the threaded rod and rotates, the threaded rod drives two thread pieces through the gag lever post and removes to the direction that is close to each other or keeps away from each other, two thread pieces drive first pinion rack through two connecting rods and first splint and reciprocate, first pinion rack drives the second splint through straight-teeth gear and second pinion rack and reciprocates, thereby reach the fixed purpose to the stair template, the device simple structure modern design, the stair template of convenient construction is fixed, add and hold, thereby make the installation of stair template and dismantle enough simple all, the fixed of stair template and dismantlement have been improved from this, be fit for carrying out marketing.

Drawings

Fig. 1 is a schematic front view of a stair formwork fixing device for engineering construction according to the present invention;

fig. 2 is the utility model provides a stair template fixing device's for engineering construction gear and pivot look sideways at the schematic structure.

In the figure: the automatic clamping device comprises a fixing box 1, a motor base 2, a driving motor 3, a threaded rod 4, a limiting rod 5, a threaded block 6, a connecting rod 7, a first clamping plate 8, a first toothed plate 9, a straight gear 10, a rotating shaft 11, a second toothed plate 12, a second clamping plate 13 and a telescopic rod 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a stair template fixing device for engineering construction comprises a fixing box 1, a motor base 2 is welded on the outer wall of a left side top shell of the fixing box 1, the top of the motor base 2 is connected with a driving motor 3 through a bolt, an output shaft of the driving motor 3 is fixedly connected with a threaded rod 4, the threaded rod 4 penetrates through the left side shell of the fixing box 1 in a rotating manner, two threaded blocks 6 are sleeved on the outer ring of the threaded rod 4 in a rotating manner, the bottoms of the threaded blocks 6 are hinged with connecting rods 7, the bottom ends of the connecting rods 7 are hinged with first clamping plates 8, the middle parts of the two connecting rods 7 are connected in a crossed and rotating manner, a first toothed plate 9 is welded on the left side of the first clamping plates 8, a straight gear 10 is arranged on the left side of the first toothed plate 9, a rotating shaft 11 is fixedly sleeved on the back, the left side of straight-teeth gear 10 is equipped with second pinion rack 12, and straight-teeth gear 10 and first pinion rack 9 and the transmission of the meshing of second pinion rack 12, and the bottom welding of second pinion rack 12 has second splint 13, two telescopic links 14 of the bottom fixedly connected with of second splint 13, and the bottom fixed connection of telescopic link 14 is on the bottom shells inner wall of fixed box 1.

The through-hole has been seted up to fixed box 1's left side top casing, the outer lane of threaded rod 4 rotates and cup joints in the inner circle of through-hole, threaded rod 4's right-hand member fixedly connected with bearing, the right side fixed connection of bearing is on fixed box 1's right side top shells inner wall, fixed box 1's the left and right sides top shells inner wall fixedly connected with gag lever post 5, spacing hole has all been seted up to the side of two thread blocks 6, the outer lane activity of gag lever post 5 cup joints in the inner circle in spacing hole, two first spouts have been seted up at first splint 8's top, the bottom of two connecting rods 7 all articulates there is first slider, the outer lane of two first sliders slides respectively and cup joints in the inner circle of two first spouts, the left side fixedly connected with second slider of second toothed plate 12, the second spout has been seted up to fixed box 1's left side shells inner wall, the outer lane.

In this embodiment, firstly, because the output shaft of the driving motor 3 is fixedly connected with the threaded rod 4, the driving motor 3 can drive the threaded rod 4 to rotate, the inner walls of the top shells at the left and right sides of the fixing box 1 are fixedly connected with the limiting rods 5, the side surfaces of the two threaded blocks 6 are both provided with limiting holes, the outer ring of the limiting rod 5 is movably sleeved in the inner ring of the limiting hole, the outer ring of the threaded rod 4 is rotatably sleeved with the two threaded blocks 6, so the threaded rod 4 can drive the two threaded blocks 6 to move towards or away from each other through the limiting rods 5, because the bottom of the threaded block 6 is hinged with the connecting rod 7, the bottom of the connecting rod 7 is hinged with the first clamping plate 8, the middle parts of the two connecting rods 7 are connected in a crossed and rotating manner, the left side of the first clamping plate 8 is welded with the first toothed plate, all articulated first slider in the bottom of two connecting rods 7, the outer lane of two first sliders slides respectively and cup joints in the inner circle of two first spouts, consequently two screw thread pieces 6 can drive first pinion rack 9 through two connecting rods 7 and first splint 8 and reciprocate, and the left side of first pinion rack 9 is equipped with straight-teeth gear 10, the fixed cover of back inner circle of straight-teeth gear 10 has connect pivot 11, the one end rotation that straight-teeth gear 10 was kept away from in pivot 11 is connected on the back shells inner wall of fixed box 1, the left side of straight-teeth gear 10 is equipped with second pinion rack 12, the bottom welding of second pinion rack 12 has second splint 13, and straight-teeth gear 10 and first pinion rack 9 and the transmission of 12 meshing of second pinion rack, consequently, first pinion rack 9 can drive second splint 13 through straight-teeth gear 10 and second pinion rack 12 and reciprocate, the function fixed to the template has been realized from this.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The stair template fixing device for engineering construction comprises a fixing box (1) and is characterized in that a motor base (2) is welded on the outer wall of a shell on the top of the left side of the fixing box (1), a driving motor (3) is connected to the top of the motor base (2) through a bolt, a threaded rod (4) is fixedly connected to an output shaft of the driving motor (3), the threaded rod (4) rotates to penetrate through a shell on the left side of the fixing box (1), two threaded blocks (6) are sleeved on the outer ring of the threaded rod (4) in a rotating mode, a connecting rod (7) is hinged to the bottom of each threaded block (6), a first clamping plate (8) is hinged to the bottom of each connecting rod (7), two middle portions of the connecting rods (7) are connected in a crossed and rotating mode, a first toothed plate (9) is welded on the left side of the first clamping plate (8), a straight gear (10) is, the fixed cover of back inner circle of straight-teeth gear (10) has been cup jointed pivot (11), the one end rotation connection of keeping away from straight-teeth gear (10) in pivot (11) is on the back shells inner wall of fixed box (1), the left side of straight-teeth gear (10) is equipped with second pinion rack (12), and straight-teeth gear (10) and first pinion rack (9) and second pinion rack (12) meshing transmission, the bottom welding of second pinion rack (12) has second splint (13), two telescopic links (14) of bottom fixedly connected with of second splint (13), the bottom fixed connection of telescopic link (14) is on the bottom shells inner wall of fixed box (1).

2. The stair formwork fixing device for engineering construction according to claim 1, wherein a through hole is formed in a left top shell of the fixing box (1), an outer ring of the threaded rod (4) is rotatably sleeved in an inner ring of the through hole, a bearing is fixedly connected to a right end of the threaded rod (4), and a right side of the bearing is fixedly connected to an inner wall of the right top shell of the fixing box (1).

3. The stair formwork fixing device for engineering construction according to claim 1, wherein limiting rods (5) are fixedly connected to inner walls of top shells on the left side and the right side of the fixing box (1), limiting holes are formed in side surfaces of the two thread blocks (6), and outer rings of the limiting rods (5) are movably sleeved in inner rings of the limiting holes.

4. The stair formwork fixing device for engineering construction according to claim 1, wherein two first sliding grooves are formed in the top of the first clamping plate (8), first sliding blocks are hinged to the bottom ends of the two connecting rods (7), and outer rings of the two first sliding blocks are respectively sleeved in inner rings of the two first sliding grooves in a sliding manner.

5. The stair formwork fixing device for engineering construction according to claim 1, wherein a second sliding block is fixedly connected to the left side of the second toothed plate (12), a second sliding groove is formed in the inner wall of a left side shell of the fixing box (1), and an outer ring of the second sliding block is slidably sleeved in an inner ring of the second sliding groove.

Images