CN114852917A - A mechanical lifting type construction machinery transfer device with a lifting structure - Google Patents

Abstract

The invention relates to a mechanical lift-type construction machinery transfer device with a lifting structure, which has a base, a front mounting frame is fixed on the front side of the upper end of the base, and a rear mounting frame is fixed at the rear side. The front rack and the rear rack move away from each other, the outer ends of the front rack and the rear rack are provided with a supporting plate of an integrated structure, and a lifting plate for placing mechanical equipment is arranged above the front and rear racks. A first lifting rod and a second lifting rod crossed in a scissors shape are hinged between the upper end of the support plate and the bottom surface of the lifting plate, and a stabilizing component to ensure the stable movement of the front and rear racks is installed in the rear mounting frame. In the present invention, when the lifting plate is pushed by the first lifting rod and the second lifting rod to perform the lifting movement, the connecting frame of the stabilizing component is used to gradually move forward to ensure that the limit plate is closely attached to the outer corner ends of the front and rear racks, so that the stability of the The entire assembly moves synchronously relative to the front and rear racks, thereby further improving the stability of the lifting.

Description

A mechanical lifting type construction machinery transfer device with a lifting structure

technical field

The invention relates to the technical field of construction machinery, in particular to a mechanical lift-type construction machinery transfer device with a lifting structure.

Background technique

Construction machinery is an important part of industrial equipment. Due to the large volume of existing construction machinery, transfer devices are often used in the transfer process.

Announcement No. CN112319563B discloses a mechanical lifting type construction machinery transfer device, comprising a main frame, the rear end of the main frame is provided with an equipment inlet, and the lower end of the main frame is evenly covered with rollers, and the left and right sides of the roller are The end and the left and right sides of the main frame form a bearing connection structure, the upper end of the right side wall behind the main frame is fixedly installed with a mounting seat, and the inner side of the mounting seat and the right end of the movable blocking rod form a hinge structure, and the left side of the rear of the main frame A fixed bayonet is fixedly installed on the upper end of the wall, a motor is fixedly installed on the left side of the front end surface of the main frame, and the shaft end of the motor and the left end of the transmission shaft form a fixed connection structure. The mechanical lift-type construction machinery transfer device can conveniently and quickly place the construction machinery on the transfer device for transportation, and the operation steps are simple and convenient, the labor intensity of the staff is reduced, and the complex terrain can be adapted.

Announcement No. CN109019426B discloses a mechanical hoisting type construction machinery transfer device, which includes a support base plate, a universal wheel is evenly connected around the bottom end of the support base plate, and a number of support rods are evenly connected to the side of the support base plate away from the universal wheel. There are several winders in the transfer box. The ropes and hooks are connected through the winders. The hooks can be hung on the machine that needs to be transferred, and the machine can be transported to the transfer box along the sloping plate of the rolling wheel through the rope. , By setting a hydraulic cylinder at the bottom of the lifting plate, when it is transferred to a suitable position, the transfer box is raised to the height that needs to be placed through the hydraulic cylinder and hydraulic rod, and the servo screw motor is turned on, and the fixed push rod plate will move. The mechanical ejection transfer box greatly saves manpower and material resources during mechanical transfer, improves the efficiency of mechanical transfer, has a simple and novel structure, is easy to operate, and improves the working efficiency of the construction machinery transfer device.

The above-mentioned prior art scheme has the following defects: it does not have a better lifting structure, so that the overall use is limited, and the overall stabilization effect during the transfer process is poor, and then there are certain use defects, so , we provide a mechanical lifting type construction machinery transfer device with a lifting structure, so as to solve the above problems.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is: in order to overcome the deficiencies in the prior art, the present invention provides a mechanical lift-type construction machinery transfer device with a lifting structure to solve the technical problems existing in the existing transfer device.

The technical solution adopted by the present invention to solve the technical problem is: a mechanical lifting type construction machinery transfer device with a lifting structure, which has a base, and a front mounting frame is fixed on the front side of the upper end of the base, and a rear mounting frame is fixed on the rear side. The front rack and the rear rack are installed in the front and rear of the front mounting rack, and the front racks and the rear racks are installed at a distance from each other. A lifting plate for placing mechanical equipment is arranged above the rack and the rear rack, and a first lifting rod and a second lifting rod crossed in a scissors shape are hinged between the upper end of the support plate and the bottom surface of the lifting plate;

A stabilizing assembly is installed in the rear mounting frame, and the stabilizing assembly has a connecting frame in the shape of a trapezoid. The connecting frame moves back and forth relative to the front rack and the rear rack. Respectively elastically connected limit plates, the limit plates are correspondingly fitted with the outer corner ends of the front rack and the rear rack to stabilize the movement of the front rack and the rear rack;

A limit block is fixed at the bottom end of the support plate, a limit slot is provided at the inner lower end of the front mounting frame, and the limit block is slidably matched with the limit slot;

The front mounting frame is provided with a driving mechanism for driving the front rack and the rear rack to move toward or away from each other.

Specifically, the drive mechanism includes a drive motor installed on the front end surface of the front mounting frame, a horizontally arranged worm and a transmission shaft perpendicular to the worm space are rotated in the front mounting frame, and the motor shaft of the drive motor is connected to the worm drive. The transmission shaft is installed with a worm gear that meshes with the worm, and gears are installed on the upper end of the transmission shaft. The gears are respectively meshed with the front rack and the rear rack for transmission.

Further, in order to realize the movement of the stabilizing assembly and improve the movement stability, a guide assembly is installed in the rear mounting frame. , the nut is fixed with the straight rod of the connecting frame, the transmission belt is connected with the screw drive, the guide rods are respectively fixed between the inner walls of the rear mounting frame on both sides of the screw rod, and the straight rod of the connecting frame is provided with a sliding sleeve , the guide rod is slidingly matched with the sliding sleeve.

In order to ensure that the stabilizing component is always in close contact with the front rack and the rear rack and reduce the pushing resistance, springs are connected between the inclined rods on both sides of the connecting frame and the limit plate, and the inner surface of the limit plate is arranged and embedded with Rollers that are in rolling contact with the outer corner ends of the front and rear racks.

In order to improve the safety of use, a guardrail is fixedly installed on the end surface of the lifting plate.

The beneficial effects of the present invention are: when the first lifting rod and the second lifting rod push the lifting plate to make the lifting movement, the two sides of the connecting frame of the stabilizing component are correspondingly attached to the outer corner ends of the rear rack and the front rack. As the height of the lifting plate gradually rises, the connecting frame gradually moves forward to ensure that the limit plate is in close contact with the outer corner ends of the rear rack and the front rack, so that the entire stabilizing assembly is relative to the rear rack and the front rack. The bars move synchronously, which can further ensure the stable effect of the lifting during the lifting process, and is convenient to use.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

FIG. 1 is a schematic view of the front sectional structure of the present invention.

FIG. 2 is a schematic top view sectional structure diagram of the present invention.

FIG. 3 is a schematic diagram of the transmission structure of the gear and the front and rear racks according to the present invention.

FIG. 4 is a schematic diagram of the transmission structure of the worm gear and the worm according to the present invention.

FIG. 5 is an enlarged schematic view of the structure at A in FIG. 1 .

FIG. 6 is an enlarged schematic view of the structure at B in FIG. 2 .

FIG. 7 is a schematic structural diagram of the stabilizing assembly according to the present invention.

In the figure: 1. Base; 2. Front mounting frame; 3. Rear mounting frame; 4. Drive motor; 5. Worm; 6. Worm gear; 7. Transmission shaft; 8. Gear; 9. Rear rack; 10. 1. Lifting rod; 11. Lifting plate; 12. Guardrail; 13. Limiting block; 14. Limiting groove; 15. Transmission belt; 16. Guide assembly; 1601, Screw; 1602, Nut; 1603, Guide rod; 17 1701, connecting frame; 1702, spring; 1703, limit plate; 1704, roller; 18, front rack; 19, second lift rod.

Detailed ways

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are all simplified schematic diagrams, and only illustrate the basic structure of the present invention in a schematic manner, so they only show the structures related to the present invention.

As shown in Figures 1 to 7, a mechanical lifting type construction machinery transfer device with a lifting structure has a base 1, a front mounting frame 2 is fixed on the front side of the upper end of the base 1, and the rear side of the upper end face of the base 1 is fixed There is a rear mounting frame 3, and a front rack 18 and a rear rack 9 are installed in the front and rear of the front mounting rack 2 for moving close or far away. The outer ends of the front rack 18 and the rear rack 9 are both The support plate has an integrated structure, the bottom end of the support plate is fixed with a limit block 13 , and the inner lower end of the front mounting frame 2 is provided with a limit slot 14 , and the limit block 13 is slidingly matched with the limit slot 14 .

Above the front rack 18 and the rear rack 9 is a lift plate 11 for placing mechanical equipment, and a guard rail 12 is fixedly installed on the upper end surface of the lift plate 11 to improve the safety of use.

A first lifting rod 10 and a second lifting rod 19 intersecting in a scissors shape are hinged between the upper end of the support plate and the bottom surface of the lifting plate 11 .

The front mounting frame 2 is equipped with a driving mechanism for driving the front rack 18 and the rear rack 9 to move close or far away. The driving mechanism includes a driving motor 4 installed on the front end of the front mounting frame 2. Rotating in the mounting frame 2 is provided with a horizontally arranged worm 5, a transmission shaft 7 perpendicular to the space of the worm 5, the motor shaft of the drive motor 4 is connected with the worm 5 in a transmission, and the transmission shaft 7 is equipped with a worm gear 6 that engages and drives with the worm 5, A gear 8 is installed on the upper end of the transmission shaft 7, and the gear 8 meshes with the front rack 18 and the rear rack 9 for transmission respectively, and the rear end of the worm 5 is installed with a transmission belt 15.

A stabilizing assembly 17 is installed in the rear mounting frame 3. The stabilizing assembly 17 has a trapezoidal connecting frame 1701. The connecting frame 1701 moves back and forth relative to the front rack 18 and the rear rack 9. The connecting frame Limiting plates 1703 are respectively provided on the inner sides of the inclined rods on both sides of 1701. The limiting plates 1703 and the inclined rods of the connecting frame 1701 are elastically connected by springs 1702. The outer corner ends of the rack 18 and the rear rack 9 are in rolling contact with the rollers 1704 to achieve stable movement of the front rack 18 and the rear rack 9 .

A guide assembly 16 is installed in the rear mounting frame 3. The guide assembly 16 includes a screw rod 1601 that is rotatably arranged between the inner walls of the rear mounting frame 3, and a nut 1602 that is drivingly connected to the screw rod 1601. The nut 1602 is connected to the connecting frame. The straight rod of 1701 is fixed, and the transmission belt 15 is connected with the screw 1601; guide rods 1603 are respectively fixed between the inner walls of the rear mounting frame 3 on both sides of the screw 1601, and the straight rod of the connecting frame 1701 is provided with a sliding sleeve , the guide rod 1603 is slidingly matched with the sliding sleeve.

When in use, first move the transfer device to the designated position through the rollers installed on the four corners of the base 1, and then place the construction machinery to be transferred on the lifting plate 11, and start the driving motor 4 after the construction machinery is placed stably, and the driving motor 4 The worm 5 is driven to rotate, and the worm 5 meshes with the worm wheel 6 to drive the transmission shaft 7 and the gear 8 to rotate inside the front mounting frame 2 .

Because the gear 8 meshes with the rear rack 9 and the front rack 18, respectively, the rear rack 9 and the front rack 18 move in a similar manner. At this time, the lower ends of the first lifting rod 10 and the second lifting rod 19 are respectively connected to The rear rack 9 and the front rack 18 rotate relative to each other, so that the rotation angles of the first lifting rod 10 and the second lifting rod 19 are changed, and the upper ends of the first lifting rod 10 and the second lifting rod 19 are both connected to the lifting plate 11 . The relative rotation is generated to push the lifting plate 11 to move upward to lift the construction machinery.

When the rear rack 9 and the front rack 18 move under the action of the gear 8, the limit block 13 slides in the limit slot 14, and the limit block 13 plays a better role in the rear rack 9 and the front rack 18. The supporting and limiting function is convenient to improve the stability effect of the rear rack 9 and the front rack 18 when moving.

When the worm 5 rotates, the screw 1601 is driven to rotate inside the rear mounting frame 3 by the action of the transmission belt 15 . At this time, the screw 1601 and the nut 1602 are connected by threaded transmission, and the stabilizing assembly 17 is pushed forward in the rear mounting frame 3 . , the guide rod 1603 plays a guiding role for the movement of the stabilization assembly 17 , so as to improve the stability of the movement of the stabilization assembly 17 .

The connecting frame 1701 moves back and forth inside the rear mounting frame 3 through the nut 1602 and the screw rod 1601, and the left and right ends of the connecting frame 1701 are inclined. , when the lifting plate 11 performs the lifting work, the connecting frame 1701 moves forward under the action of the screw 1601. At this time, the limiting plate 1703 is attached to the outer corner ends of the rear rack 9 and the front rack 18 through the roller 1704. At the same time, the spring 1702 improves the fitting tightness between the limit plate 1703 and the rear rack 9 and the front rack 18. As the height of the lifting plate 11 gradually rises, the connecting frame 1701 gradually moves toward the Move forward to ensure that the rollers 1704 on the limiting plate 1703 are always in close contact with the outer corner ends of the rear rack 9 and the front rack 18, so that the stabilizer assembly 17 moves synchronously relative to the rear rack 9 and the front rack 18 as a whole , which can further ensure the stable effect of the lifting during the lifting process, and is convenient to use.

Taking the above ideal embodiments according to the present invention as inspiration, and through the above description, relevant personnel can make various changes and modifications without departing from the technical idea of the present invention. The technical scope of the present invention is not limited to the contents in the specification, and the technical scope must be determined according to the scope of the claims.

Claims (5)

1. The utility model provides a mechanical lift formula engineering machine tool transfer device with lifting structure, has the base, characterized by: a front mounting frame is fixed on the front side of the upper end face of the base, a rear mounting frame is fixed on the rear side of the upper end face of the base, a front rack and a rear rack which move close to or far away from each other are installed in the front mounting frame at a distance from the front side to the rear side, supporting plates of an integrated structure are arranged at the outer side ends of the front rack and the rear rack, a lifting plate for placing mechanical equipment is arranged above the front rack and the rear rack, and a first lifting rod and a second lifting rod which are crossed in a scissor shape are hinged between the upper end of each supporting plate and the bottom face of the lifting plate;

a stabilizing component is arranged in the rear mounting frame, the stabilizing component is provided with a trapezoidal connecting frame, the connecting frame moves back and forth relative to the front rack and the rear rack, the inner side surfaces of the inclined rods on the two sides of the connecting frame are respectively and elastically connected with a limiting plate, and the limiting plates are correspondingly attached to the outer side corner ends of the front rack and the rear rack so as to stabilize the movement of the front rack and the rear rack;

a limiting block is fixed at the bottom end of the supporting plate, a limiting groove is formed in the lower end of the inner side of the front mounting frame, and the limiting block is in sliding fit with the limiting groove;

and a driving mechanism for driving the front rack and the rear rack to move close to or far away from each other is arranged in the front mounting frame.

2. The mechanical lift type work machine transfer device with lifting structure of claim 1, wherein: the drive mechanism including install the driving motor of terminal surface before the preceding mounting bracket, preceding mounting bracket internal rotation be equipped with the level arrange the worm, with worm space vertically transmission shaft, driving motor's motor shaft is connected with the worm transmission, install on the transmission shaft with worm meshing driven worm wheel, the gear is installed to the upper end of transmission shaft, the gear respectively with preceding rack and back rack meshing transmission, drive belt is installed to the rear end of worm.

3. The mechanical lift type work machine transfer device with lifting structure of claim 2, wherein: the rear mounting bracket in install the direction subassembly, the nut that the direction subassembly is connected with screw drive including rotating the screw rod of establishing between the rear mounting bracket inner wall, the nut is fixed with the straight-bar of link, driving belt is connected with screw drive, is located and is fixed with the guide bar between the rear mounting bracket inner wall of screw rod both sides respectively, be equipped with the sliding sleeve on the straight-bar of link, guide bar and sliding sleeve sliding fit.

4. The mechanical lift type work machine transfer device with lifting structure of claim 1, wherein: and a spring is connected between the inclined rods on the two sides of the connecting frame and the limiting plate, and rollers which are in rolling contact with the outer corner ends of the front rack and the rear rack are arranged and embedded on the inner side surface of the limiting plate.

5. The mechanical lift type work machine transfer device with lifting structure of claim 1, wherein: and a guard rail is fixedly arranged on the upper end surface of the lifting plate.

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