CN213867217U

CN213867217U - Engineering compaction is pushing down mechanism for machinery

Info

Publication number: CN213867217U
Application number: CN202022340670.1U
Authority: CN
Inventors: 黄皓; 房宣衡; 刘少奎
Original assignee: Changan University
Current assignee: Changan University
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-08-03
Anticipated expiration: 2030-10-20

Abstract

The utility model discloses an engineering compaction machinery is with pushing down mechanism, including the frame, the welding of frame lower extreme has the truss, and frame upper end fixed mounting has the motor, and the truss middle-end rotates and is provided with the ball that is connected with the motor output, and installs the nut on the ball. The utility model is provided with the ball screw driven by the motor to rotate, the driving gear and the driven gear which are connected in a meshing way are provided with the transmission shaft provided with the driving gear, and the rack is driven by the driving gear to horizontally stretch and move, so that the bearing pressing plate can stably and vertically move downwards under the extrusion action of the pressing rod; through the lifter plate that reciprocates in the frame, utilize the loop bar cover of lifter plate lower extreme to establish the telescopic link of establishing the connection by powerful spring housing to make the telescopic link lower extreme be connected with the bearing clamp plate, make the bearing clamp plate steadily move down under the squeezing action of lifter plate, loop bar and telescopic link, thereby move down the bearing clamp plate through steadily and have the push down operation of high stability.

Description

Engineering compaction is pushing down mechanism for machinery

Technical Field

The utility model relates to an engineering compactor uses technical field, especially relates to an engineering compaction machinery is with pushing down mechanism.

Background

Because of the need of engineering construction, a large-sized compactor is generally adopted to compact part of the position and insufficient components, and the compacting machine is divided into the following parts according to the working principle: the static rolling type compactor has the trend of replacing a static rolling type compactor, and is of an impact type, a vibration type and a combined action type and the like, wherein a force rolling type compactor utilizes the gravity action of a rolling wheel, a vibration type road roller with a vibration effect enables a pressed layer to be permanently deformed and compacted, an impact type road roller with the impact effect is used for rolling and compacting, and a pressing mechanism is required to be used in the using process of the compactor.

It is conceivable that a large-sized compactor needs to apply pressure with a large force during the working process and accordingly generates a large degree of vibration, while a pressing mechanism of a conventional compactor considers the degree of pressing force singly and neglects the stability during the pressing process, so that the pressing component is difficult to apply pressure uniformly and comprehensively to the object to be stressed, and the object to be stressed cannot be effectively squeezed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the engineering compactor is difficult to be equipped with the mechanism that pushes down that has the stability of maintaining among the prior art, and the mechanism that pushes down for engineering compactor that proposes.

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

a pushing mechanism for an engineering compaction machine comprises a frame, wherein a truss is welded at the lower end of the frame, a motor is fixedly installed at the upper end of the frame, a ball screw connected with the output end of the motor is rotatably arranged at the middle end of the truss, a nut is installed on the ball screw, a lifting plate is fixedly sleeved on the nut, loop rods which slidably penetrate through the truss are welded at two ends of the lifting plate, a telescopic rod is slidably sleeved in the lower end of the loop rods, a strong spring is fixedly sleeved on the telescopic rod, a bearing pressing plate is connected to the lower end of the telescopic rod in a flange manner, transmission shafts are rotatably arranged in two ends of the truss, a driving gear and a driven gear which are connected with the ball screw and the transmission shafts in a meshing manner are respectively fixedly sleeved on the ball screw and the transmission shafts, supports are welded at two ends of the, and a pressure lever is connected between the rack and the bearing pressure plate.

Preferably, the ball screw is vertically disposed, and the lifting plate is horizontally disposed in the frame.

Preferably, guide rods sliding in two ends of the lifting plate are fixedly arranged in two sides of the frame.

Preferably, the strong spring is positioned at the lower end of the telescopic rod connected with the bearing pressure plate, and the upper end of the strong spring is abutted against the lower end opening of the loop bar.

Preferably, two the transmission shafts set up perpendicularly in ball both sides, and driving gear and driven gear level are located ball and transmission shaft upper end respectively correspondingly, drive gear is located the transmission shaft lower extreme.

Preferably, the rack is horizontally arranged between the truss and the bearing pressing plate, and the upper end and the lower end of the pressing rod are respectively connected with the rack and the bearing pressing plate through pin shafts.

Compared with the prior art, the utility model discloses possess following advantage:

1. the utility model discloses set up the rotatory ball by motor drive in the truss, utilize the driving gear that the meshing is connected to set up with driven gear and install drive gear's transmission shaft, carry out the flexible removal of level with the help of drive gear drive rack for the bearing clamp plate carries out steady perpendicular moving down under the squeezing action of depression bar.

2. The utility model discloses utilize the lifter plate that nut setting on the ball can reciprocate in the frame, utilize the loop bar cover of lifter plate lower extreme to establish the telescopic link of establishing the connection by powerful spring housing to make the telescopic link lower extreme be connected with the bearing clamp plate, make the bearing clamp plate have the cushioning effect steadily move down under the extrusion of lifter plate, loop bar and telescopic link.

To sum up, the utility model is provided with the ball screw driven by the motor to rotate, the driving gear and the driven gear which are connected in a meshing way are utilized to be provided with the transmission shaft provided with the driving gear, and the rack is driven by the driving gear to horizontally stretch and move, so that the bearing pressing plate can stably and vertically move downwards under the extrusion action of the pressing rod; through the lifter plate that reciprocates in the frame, utilize the loop bar cover of lifter plate lower extreme to establish the telescopic link of establishing the connection by powerful spring housing to make the telescopic link lower extreme be connected with the bearing clamp plate, make the bearing clamp plate steadily move down under the squeezing action of lifter plate, loop bar and telescopic link, thereby move down the bearing clamp plate through steadily and have the push down operation of high stability.

Drawings

Fig. 1 is a schematic structural view of a pressing mechanism for an engineering compaction machine according to the present invention;

fig. 2 is an enlarged schematic view of a part a of the structure of a pressing mechanism for an engineering compaction machine provided by the present invention;

fig. 3 is an enlarged schematic view of a part B of the pressing mechanism for the engineering compaction machine provided by the present invention;

fig. 4 is the utility model provides a ball of engineering compaction machinery with pushing down mechanism is with transmission shaft connection structure sketch map.

In the figure: the device comprises a frame 1, a truss 2, a motor 3, a ball screw 4, a nut 5, a lifting plate 6, a guide rod 7, a sleeve rod 8, a telescopic rod 9, a strong spring 10, a bearing pressure plate 11, a transmission shaft 12, a driving gear 13, a driven gear 14, a support 15, a driving gear 16, a rack 17 and a pressure rod 18.

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. 1-4, a pressing mechanism for an engineering compaction machine comprises a frame 1, a truss 2 welded at the lower end of the frame 1, a motor 3 fixedly installed at the upper end of the frame 1, the motor 3 being a servo motor of HC-SFS202, a ball screw 4 connected with the output end of the motor 3 rotatably installed at the middle end of the truss 2, a nut 5 installed on the ball screw 4, a lifting plate 6 fixed on the nut 5, it should be noted that the nut 5 is located in the lifting plate 6 to pull the lifting plate 6, a loop bar 8 slidably penetrating through the truss 2 is welded at both ends of the lifting plate 6, the loop bar 8 is a hollow structure with an opening at the lower end, a telescopic rod 9 slidably sleeved in the lower end of the loop bar 8, a strong spring 10 fixed on the telescopic rod 9, a bearing pressure plate 11 connected to the flange at the lower end of the telescopic rod 9, a transmission shaft 12 rotatably installed in both ends of the truss 2, specifically, referring to fig. 1 of the specification, a transmission shaft 12 is movably sleeved in a lifting plate 6, the transmission shaft 12 can rotate in the lifting plate 6, and meanwhile, the lifting plate 6 can also move up and down on the transmission shaft 12, a driving gear 13 and a driven gear 14 which are in meshed connection are respectively fixedly sleeved on a ball screw 4 and the transmission shaft 12, supports 15 are welded at two ends of a truss 2, a driving gear 16 is fixedly sleeved on the transmission shaft 12, specifically referring to fig. 4 of the specification, the driving gear 13, the driven gear 14 and the driving gear 16 are of flat gear structures, a rack 17 which is in meshed connection with the driving gear 16 is slidably sleeved in each support 15, a pressure lever 18 is connected between each rack 17 and the bearing pressure plate 11, and the two racks 17 which are close to each other can drive the pressure lever 18 to move in the same direction so as to extrude and drive the bearing pressure plate 11.

The ball screw 4 is vertically disposed, and the lifting plate 6 is horizontally disposed in the frame 1.

The guide rods 7 sliding in the two ends of the lifting plate 6 are fixedly arranged in the two sides of the frame 1, so that the lifting plate 6 can be ensured to stably move up and down.

The strong spring 10 is located at the lower end of the telescopic rod 9 connected to the bearing pressure plate 11, and the upper end of the strong spring 10 abuts against the lower end opening of the loop bar 8, it should be noted that the speed of the pressing rod 18 driving the bearing pressure plate 11 to move downwards is greater than the driving speed of the loop bar 8, so that the strong spring 10 is always in a stretched state in the process.

The two transmission shafts 12 are vertically arranged on two sides of the ball screw 4, the driving gear 13 and the driven gear 14 are horizontally and correspondingly arranged at the upper ends of the ball screw 4 and the transmission shafts 12 respectively, the driving gear 16 is arranged at the lower end of the transmission shafts 12, and the two transmission shafts 12 can be synchronously driven by the ball screw 4 so as to synchronously drive the two racks 17.

The rack 17 is horizontally arranged between the truss 2 and the bearing pressing plate 11, the upper end and the lower end of the pressing rod 18 are respectively in pin connection with the rack 17 and the bearing pressing plate 11, and the bearing pressing plate 11 can be continuously pressed by the mutually close pressing rods 18, so that the bearing pressing plate 11 can stably move downwards.

The utility model discloses its functional principle is explained to following mode of operation of accessible:

control motor 3 opens in frame 1, and 3 outputs of motor drive ball 4 and rotate:

firstly, the ball screw 4 drives two transmission shafts 12 to rotate through a driving gear 13 and a driven gear 14 which are connected in a meshed mode, the transmission shafts 12 drive a driving gear 16 to synchronously rotate, so that a rack 17 connected with the driving gear 16 in a meshed mode moves horizontally in a support 15, a pressure rod 18 extrudes a bearing pressure plate 11, and the bearing pressure plate 11 vertically moves downwards;

secondly, the ball screw 4 rotates to drive the nut 5 to move downwards vertically, and drives the lifting plate 6 to move downwards in an orderly and vertical manner by taking the two guide rods 7 as a guide, the lifting plate 6 drives the two loop bars 8 to move downwards synchronously in the truss 2 and extrude the strong spring 10, so that the strong spring 10 contracts to the shortest, and then the bearing pressing plate 11 is pressed by the telescopic rod 9, and the bearing pressing plate 11 is guaranteed to move downwards stably all the time.

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

1. The utility model provides an engineering compaction machinery is with mechanism of pushing down, includes frame (1), its characterized in that, frame (1) lower extreme welding has truss (2), and frame (1) upper end fixed mounting has motor (3), truss (2) middle-end rotation is provided with ball (4) that are connected with motor (3) output, and installs nut (5) on ball (4), fixed cover is equipped with lifter plate (6) on nut (5), and lifter plate (6) both ends all weld loop bar (8) that slide and run through truss (2), and slip cover is equipped with telescopic link (9) in loop bar (8) lower extreme, fixed cover is equipped with powerful spring (10) on telescopic link (9), and telescopic link (9) lower extreme flange joint has bearing clamp plate (11), all rotate in truss (2) both ends and be provided with transmission shaft (12), and ball (4) and transmission shaft (12) go up respectively fixed cover and be equipped with driving gear (13) and driven gear (14) that the meshing is connected, support (15) have all been welded at truss (2) both ends, and fixed cover is equipped with drive gear (16) on transmission shaft (12), slip cover is equipped with rack (17) of being connected with drive gear (16) meshing in support (15), and is connected with depression bar (18) between rack (17) and bearing clamp plate (11).

2. The push-down mechanism for engineering compaction machinery according to claim 1, characterized in that the ball screw (4) is vertically arranged and the lifting plate (6) is horizontally arranged in the frame (1).

3. The pressing mechanism for the engineering compaction machine is characterized in that guide rods (7) sliding in two ends of the lifting plate (6) are fixedly arranged in two sides of the frame (1).

4. The pressing mechanism for the engineering compaction machine is characterized in that the strong spring (10) is positioned on the lower end of the telescopic rod (9) connected with the bearing pressure plate (11), and the upper end of the strong spring (10) is abutted against the lower end opening of the sleeve rod (8).

5. The pressing mechanism for the engineering compaction machine is characterized in that the two transmission shafts (12) are vertically arranged at two sides of the ball screw (4), the driving gear (13) and the driven gear (14) are horizontally and correspondingly arranged at the upper ends of the ball screw (4) and the transmission shafts (12), and the driving gear (16) is arranged at the lower end of the transmission shafts (12).

6. The pressing mechanism for the engineering compaction machine as claimed in claim 4, wherein the rack (17) is horizontally arranged between the truss (2) and the bearing pressure plate (11), and the upper end and the lower end of the pressure rod (18) are respectively connected with the rack (17) and the bearing pressure plate (11) through pin shafts.