Chassis device of construction hoist

Abstract

The utility model relates to the technical field of elevator chassis, and discloses a construction elevator chassis device which comprises a chassis body, mounting grooves are formed in the periphery of the top face of the chassis body in a rectangular array mode, fixing rods are fixedly arranged in the mounting grooves, and buffer springs are connected to the surfaces of the fixing rods in a sleeved mode. A buffering mechanism is fixedly arranged at one end of the buffering spring, and damping hydraulic rods are fixedly installed on the two sides of the top face of the chassis body. According to the construction hoist chassis device, by arranging a stabilizing mechanism, communicating with an external power source and driving a forward screw and a reverse screw to rotate through a servo motor, two sets of extending frames move reversely, fixing blocks extend towards the periphery, then a hydraulic rod B is opened, a stabilizing disc is driven to abut against the bottom face, and therefore the contact area between the chassis body and the ground is increased; and when the chassis is not used, the stabilizing mechanism can be retracted, so that the occupied space is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator chassis, in particular to a construction elevator chassis device. Background Art

[0002] There are many types of construction hoists, such as construction elevators, construction platforms, etc. In the process of using the construction hoist, the chassis of the hoist is an indispensable part, and the chassis of the construction hoist mainly plays the role of auxiliary support.

[0003] A construction elevator support chassis disclosed in announcement number CN214527910U, although, the utility model uses secondary support rods, springs, main support rods, load-bearing plates, connecting rods, slide grooves, and sliders so that when the chassis is in use, when the load-bearing plate is subjected to vibration and gravity, the vibration and gravity are output to the slider through the connecting rod, so that the slider moves inside the slide groove under the action of the connecting rod, so that the seismic resistance of the chassis can be increased by the slider sliding inside the slide groove, so that the vibration generated by the elevator is reduced before it is transmitted to the chassis, thereby preventing the chassis from being damaged during use due to the vibration received by the chassis, and increasing the service life of the chassis and the elevator.

[0004] However, the supporting chassis of the construction lift has the following disadvantages: it is not convenient to increase the contact area between the chassis and the ground, so that the stability of the lift chassis is generally poor, which will affect the construction of personnel. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The technical problem solved by the utility model is to provide a construction elevator chassis device which is highly practical, can be simply operated and has a relatively simple structure. It solves the problem raised in the above background technology that it is inconvenient to increase the contact area between the chassis and the ground, resulting in the general stability of the elevator chassis, which will affect the construction of personnel.

[0007] (II) Technical solution

[0008] To achieve the above objectives, the utility model is implemented through the following technical solutions: a construction elevator chassis device, including a chassis body, the top surface of the chassis body is provided with installation grooves in a rectangular array around, a fixing rod is fixedly arranged inside the installation groove, a buffer spring is sleeved on the surface of the fixing rod, a buffer mechanism is fixedly arranged at one end of the buffer spring, damping hydraulic rods are fixedly installed on both sides of the top surface of the chassis body, a mounting plate is fixedly installed on the top surface of the buffer mechanism by screws, a motor compartment is fixedly installed in the middle of one side of the chassis body, a rotating mechanism is fixedly installed inside the motor compartment, two sets of extension frames are threadedly connected on the surface of the rotating mechanism, and stabilizing mechanisms are fixedly arranged on both sides of the extension frames.

[0009] As a further solution of the utility model, the buffer mechanism includes a sliding block fixedly arranged at one end of the buffer spring, the top of the sliding block is rotatably connected to a buffer rod, the top of the buffer rod is rotatably connected to a mounting block, and the mounting block is used to connect to the mounting plate.

[0010] As a further solution of the utility model, the number of the fixing rods and the buffer mechanisms are four groups, and the four groups of the fixing rods and the buffer mechanisms are symmetrically distributed in a rectangular array, and the buffer mechanisms are used to buffer the mounting plate.

[0011] As a further solution of the utility model, the rotating mechanism includes a servo motor fixedly installed inside the motor cabin, a positive screw is fixedly provided at the output end of the servo motor, a reverse screw is fixedly provided at one end of the positive screw, and the positive screw and the reverse screw are used to drive the two groups of extension frames to translate.

[0012] As a further solution of the utility model, an equipment groove is opened in the middle of the top surface of the chassis body, sliding grooves are opened on both sides of the equipment groove, the extension frame is slidably connected to the inside of the sliding groove, and through grooves are opened around the surface of the chassis body to facilitate the passage of the fixing block.

[0013] As a further solution of the utility model, the stabilizing mechanism includes fixed blocks fixedly arranged on both sides of the extension frame, a B hydraulic rod is fixedly installed at the bottom of the fixed block, a stabilizing plate is fixedly installed at the bottom of the B hydraulic rod, and the stabilizing plate is used to improve the stability of the chassis body.

[0014] As a further solution of the utility model, the sliding block is slidably connected to the inside of the installation groove, and the other end of the buffer spring is fixedly arranged on the inner wall of the installation groove, and the buffer spring is used to absorb energy.

[0015] (III) Beneficial effects

[0016] The utility model provides a construction hoist chassis device, which has the following beneficial effects:

[0017] 1. The chassis device of the construction hoist is connected to an external power supply through the setting of a stabilizing mechanism. The servo motor drives the positive screw and the reverse screw to rotate, so that the two sets of extension frames move in opposite directions, extend the fixed block to the surroundings, and then open the B hydraulic rod to drive the stabilizing plate to press against the bottom surface, thereby increasing the contact area between the chassis body and the ground and improving the stability of the chassis body. The stabilizing mechanism can be retracted when not in use to reduce space occupancy.

[0018] 2. The construction hoist chassis device is provided with a buffer mechanism. When the mounting plate is subjected to vibration force, the mounting plate is pressed downward, driving the buffer rod to rotate and squeeze the buffer spring. The damping hydraulic rod follows the extension and retraction and plays a damping role, thereby achieving the effect of buffering and shock absorbing the construction hoist on the mounting plate, and improving the service life of the hoist and the chassis body. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the buffer mechanism of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the rotating mechanism and the stabilizing mechanism of the utility model;

[0022] Figure 4 It is a schematic diagram of the chassis main body and the mounting plate structure of the utility model.

[0023] In the figure: 1. chassis body; 2. fixing rod; 3. buffer spring; 4. buffer mechanism; 401. sliding block; 402. buffer rod; 403. mounting block; 5. damping hydraulic rod; 6. mounting plate; 7. motor compartment; 8. rotating mechanism; 801. servo motor; 802. positive screw; 803. reverse screw; 9. extension frame; 10. stabilizing mechanism; 1001. fixing block; 1002. B hydraulic rod; 1003. stabilizing plate. DETAILED DESCRIPTION

[0024] 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. 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.

[0025] See also Figures 1 to 4The utility model provides a technical solution: a construction elevator chassis device, including a chassis body 1, the top surface of the chassis body 1 is provided with mounting grooves in a rectangular array, a fixing rod 2 is fixedly arranged inside the mounting groove, a buffer spring 3 is sleeved on the surface of the fixing rod 2, and a buffer mechanism 4 is fixedly arranged at one end of the buffer spring 3. Through the setting of the buffer mechanism 4, when the mounting plate 6 is subjected to vibration force, the mounting plate 6 is pressed down, driving the buffer rod 402 to rotate and squeeze the buffer spring 3, and the damping hydraulic rod 5 follows the extension and retraction and plays a damping role, thereby achieving the effect of buffering and shock absorbing the construction elevator on the mounting plate 6, and improving the service life of the elevator and the chassis body 1. Damping hydraulic rods 5 are fixedly installed on both sides of the top surface of the chassis body 1, and the buffer mechanism 4 A mounting plate 6 is fixedly installed on the top surface by screws, a motor compartment 7 is fixedly installed in the middle of one side of the chassis body 1, a rotating mechanism 8 is fixedly installed inside the motor compartment 7, two groups of extension frames 9 are threadedly connected to the surface of the rotating mechanism 8, and stabilizing mechanisms 10 are fixedly arranged on both sides of the extension frames 9. Through the setting of the stabilizing mechanism 10, an external power supply is connected, and the servo motor 801 drives the positive screw 802 and the reverse screw 803 to rotate, so that the two groups of extension frames 9 move in the opposite direction, extending the fixed block 1001 to the surroundings, and then opening the B hydraulic rod 1002, driving the stabilizing plate 1003 to press against the bottom surface, thereby increasing the contact area between the chassis body 1 and the ground, improving the stability of the chassis body 1, and the stabilizing mechanism 10 can be retracted when not in use to reduce space occupancy.

[0026] The buffer mechanism 4 includes a sliding block 401 fixedly arranged at one end of the buffer spring 3, the top of the sliding block 401 is rotatably connected to a buffer rod 402, and the top of the buffer rod 402 is rotatably connected to a mounting block 403. Through the setting of the buffer mechanism 4, a buffering effect is played on the construction elevator.

[0027] There are four groups of fixing rods 2 and buffer mechanisms 4 , which are symmetrically distributed in a rectangular array. The setting of the fixing rods 2 can limit the sliding block 401 and the buffer spring 3 .

[0028] The rotating mechanism 8 includes a servo motor 801 fixedly installed inside the motor compartment 7. A positive screw 802 is fixedly provided at the output end of the servo motor 801, and a reverse screw 803 is fixedly provided at one end of the positive screw 802. Through the setting of the rotating mechanism 8, it plays a role in driving the movement of the two groups of extension frames 9.

[0029] The stabilizing mechanism 10 includes a fixed block 1001 fixedly arranged on both sides of the extension frame 9, a B hydraulic rod 1002 is fixedly installed at the bottom of the fixed block 1001, and a stabilizing plate 1003 is fixedly installed at the bottom of the B hydraulic rod 1002. The setting of the stabilizing mechanism 10 plays a role in improving the stability of the chassis body 1.

[0030] The sliding block 401 is slidably connected to the inside of the installation groove, and the other end of the buffer spring 3 is fixedly arranged on the inner wall of the installation groove. The buffer spring 3 is arranged to absorb the vibration force.

[0031] In the utility model, the working steps of the device are as follows:

[0032] Step 1: Install the construction elevator on the mounting plate 6, connect the external power supply, and the servo motor 801 drives the positive screw 802 and the reverse screw 803 to rotate, so that the two groups of extension frames 9 move in opposite directions and extend the fixed block 1001 to the surroundings;

[0033] Step 2: Open the B hydraulic rod 1002 to drive the stabilizing plate 1003 to press against the bottom surface, thereby increasing the contact area between the chassis body 1 and the ground and improving the stability of the chassis body 1. When not in use, the stabilizing mechanism 10 can be retracted to reduce space occupation;

[0034] The third step: when the mounting plate 6 is subjected to vibration force, the mounting plate 6 is pressed downward, driving the buffer rod 402 to rotate and squeeze the buffer spring 3, and the damping hydraulic rod 5 follows the extension and retraction and plays a damping role, buffering and reducing shock for the construction elevator on the mounting plate 6, thereby increasing the service life of the elevator and the chassis body 1.

[0035] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A construction hoist chassis device, comprising a chassis body (1), characterized in that: The top surface of the chassis body (1) is provided with mounting grooves in a rectangular array around the four sides, a fixing rod (2) is fixedly arranged inside the mounting groove, a buffer spring (3) is sleeved on the surface of the fixing rod (2), a buffer mechanism (4) is fixedly arranged at one end of the buffer spring (3), damping hydraulic rods (5) are fixedly arranged on both sides of the top surface of the chassis body (1), a mounting plate (6) is fixedly arranged on the top surface of the buffer mechanism (4) by screws, a motor compartment (7) is fixedly arranged in the middle of one side of the chassis body (1), a rotating mechanism (8) is fixedly arranged inside the motor compartment (7), two groups of extension frames (9) are threadedly connected to the surface of the rotation mechanism (8), and stabilizing mechanisms (10) are fixedly arranged on both sides of the extension frames (9).

2. A construction hoist chassis device according to claim 1, characterized in that: The buffer mechanism (4) comprises a sliding block (401) fixedly arranged at one end of the buffer spring (3); the top of the sliding block (401) is rotatably connected to a buffer rod (402); and the top of the buffer rod (402) is rotatably connected to a mounting block (403).

3. A construction hoist chassis device according to claim 1, characterized in that: The number of the fixing rods (2) and the buffer mechanisms (4) is four groups, and the four groups of the fixing rods (2) and the buffer mechanisms (4) are symmetrically distributed in a rectangular array.

4. A construction hoist chassis device according to claim 1, characterized in that: The rotating mechanism (8) comprises a servo motor (801) fixedly mounted inside the motor compartment (7), a positive screw (802) fixedly disposed at the output end of the servo motor (801), and a reverse screw (803) fixedly disposed at one end of the positive screw (802).

5. A construction hoist chassis device according to claim 1, characterized in that: A device slot is provided in the middle of the top surface of the chassis body (1), and sliding slots are provided on both sides of the device slot. The extension frame (9) is slidably connected to the inside of the sliding slot, and through slots are provided around the surface of the chassis body (1).

6. A construction hoist chassis device according to claim 1, characterized in that: The stabilizing mechanism (10) comprises a fixing block (1001) fixedly arranged on both sides of the extension frame (9), a B hydraulic rod (1002) being fixedly mounted on the bottom of the fixing block (1001), and a stabilizing plate (1003) being fixedly mounted on the bottom of the B hydraulic rod (1002).

7. A construction hoist chassis device according to claim 2, characterized in that: The sliding block (401) is slidably connected to the interior of the installation groove, and the other end of the buffer spring (3) is fixedly arranged on the inner wall of the installation groove.

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