CN213356599U

CN213356599U - Construction elevator chassis

Info

Publication number: CN213356599U
Application number: CN202022302153.5U
Authority: CN
Inventors: 贾昌炎; 李志超
Original assignee: Jinan Weirui Construction Machinery Co ltd
Current assignee: Jinan Weirui Construction Machinery Co ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-06-04
Anticipated expiration: 2030-10-16

Abstract

The utility model discloses a construction elevator underframe, which comprises a mounting seat, wherein mounting grooves are arranged at four corners of the upper surface of the mounting seat, a bottom layer bracket is inserted in the mounting grooves, two locking grooves are arranged in parallel between the mounting grooves, a locking assembly used for locking and fixing the bottom layer bracket is arranged in the locking groove, the locking assembly comprises a bidirectional screw rod movably arranged in the locking groove, a fastening nut is fixedly arranged in the middle of the bidirectional screw rod, both ends of the bidirectional screw rod are in threaded connection with driving blocks, the driving block is fixedly provided with the fastening pin which is inserted on the bottom layer bracket, the structure of the utility model is reasonable in design, the bottom layer support can be fixed and installed by rotating the fastening nut, the installation flow of the construction elevator chassis is greatly simplified, and the bottom layer support has the characteristics of simple structure and convenience in operation.

Description

Construction elevator chassis

Technical Field

The utility model relates to a construction elevator technical field especially relates to a construction elevator chassis.

Background

Construction elevators are generally referred to as construction elevators, but construction elevators comprise a broader definition and construction platforms also belong to the construction elevator series. The simple construction elevator consists of a lift car, a driving mechanism, a standard knot, an attached wall, a chassis, a fence, an electrical system and the like, is a manned cargo-carrying construction machine frequently used in buildings, is comfortable and safe to ride due to the unique box body structure, is usually matched with a tower crane to use on a construction site, generally has the carrying capacity of 0.3-3.6 tons, and has the running speed of 1-96M/min and the like. Construction elevators produced in China are more and more mature and gradually move to the international world.

However, in the prior art, the installation flow of the underframe of the construction elevator is complex, so that an operator is inconvenient to carry out the on-site installation, the installation and construction efficiency is low, and certain defects exist.

To this end, we propose a construction elevator underframe.

SUMMERY OF THE UTILITY MODEL

The utility model provides a construction elevator chassis, aim at can realize the fixed and installation to the bottom support through rotating fastening nut, simplifies the installation flow of construction elevator chassis, reduces the installation degree of difficulty of construction elevator chassis.

In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:

the utility model provides a construction elevator chassis, includes the mount pad, mount pad upper surface four corners department is provided with the mounting groove, all insert in the mounting groove and be equipped with the bottom support, parallel arrangement has two locking grooves between the mounting groove, it is fixed to lock the locking subassembly that is provided with to be used for locking the bottom support, locking subassembly includes movable mounting and is in locking inslot two-way lead screw, two-way lead screw middle part fixed mounting has fastening nut, the equal threaded connection in two-way lead screw both ends has the drive block, fixed mounting has the holding pin on the drive block, the holding pin is inserted and is established on the bottom support.

Preferably, in the above construction elevator underframe, the locking groove is formed in a square shape, and the driving block is attached to and in sliding contact with an inner wall of the locking groove.

Based on above-mentioned technical characteristics, the locking groove sets up squarely, can restrict the rotation of drive block, and then cooperates two-way lead screw to realize linear motion, and then drives the fastening pin and inserts in the bottom support to accomplish the location and the fixed of bottom support.

Preferably, in the above-mentioned construction elevator chassis, locking groove top is provided with sealed lid, be provided with on the sealed bottom surface of covering and be used for preventing two-way lead screw pivoted spacing, just spacing with the fastening nut joint.

Based on above-mentioned technical characteristics, the effect of keeping apart can be played in the setting of sealed lid, has avoided outside debris to rotate two-way lead screw and has caused the influence, and the setting of spacing can avoid two-way lead screw to take place to rotate effectively, and then guarantees the firm locking of fastening pin to the bottom support.

Preferably, in the above construction elevator underframe, the bottom layer support bottom is hinged with a reinforcing rib, and the bottom of the reinforcing rib is detachably mounted on the mounting seat.

Based on above-mentioned technical characteristics, the setting of strengthening rib can strengthen the support intensity of bottom support, has improved construction elevator's safety in utilization.

Preferably, in the above construction elevator underframe, the bidirectional screw rod includes a screw rod, and driving threads with opposite rotation directions are arranged at two ends of the screw rod.

Based on the technical characteristics, the driving threads with opposite rotation directions can synchronously drive the driving block to move towards two sides or towards the middle part in the rotating process, so that the bottom layer support is locked and released, and the bottom layer support is convenient to mount.

Preferably, in the above construction elevator underframe, the top of the sealing cover is provided with a protection block in a shape of a step, and the protection block is provided with a lifting ring for lifting the sealing cover.

Based on above-mentioned technical characteristics, the setting of protection piece can avoid outside debris to enter into locking inslot, has played certain guard action.

The utility model has the advantages that:

(1) the utility model has the advantages of simple and reasonable design, drive two-way lead screw through rotating fastening nut and rotate, and then drive the drive block linear motion and go into the bottom support with promoting the fastening pin card, accomplish the location to the bottom support and fix, the reinforcement of cooperation strengthening rib is pull, can realize the stable installation of construction crane, compares in prior art, the utility model discloses simplify the installation flow of construction crane chassis, the operating personnel of being convenient for carries out the on-the-spot installation of construction crane chassis.

(2) The utility model has the advantages of reasonable design, close the sealed lid after the spacing frame insert the fastening nut outside, restricted fastening nut's rotation, can avoid the rotation of two-way screw rod effectively, guaranteed the installation safety of construction crane.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of structure A of FIG. 1 according to the present invention;

fig. 3 is a left side view structure diagram of the present invention;

fig. 4 is an enlarged view of the structure B in fig. 3 according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a mounting seat; 2. mounting grooves; 3. a bottom layer support; 4. a locking groove; 5. a locking assembly; 6. a bidirectional screw rod; 7. fastening a nut; 8. a drive block; 9. a fastening pin; 10. a sealing cover; 11. a limiting frame; 12. reinforcing ribs; 13. a screw; 14. a drive screw; 15. a protection block; 16. and (5) lifting a ring.

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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present embodiment is a construction elevator underframe, which comprises an installation base 1, installation grooves 2 are arranged at four corners of the upper surface of the installation base 1, bottom layer brackets 3 are inserted into the installation grooves 2, reinforcing ribs 12 are hinged to the bottoms of the bottom layer brackets 3, the bottoms of the reinforcing ribs 12 are detachably mounted on the installation base 1, the reinforcing ribs 12 are arranged to enhance the supporting strength of the bottom layer brackets 3 and improve the use safety of the construction elevator, two locking grooves 4 are arranged in parallel between the installation grooves 2, locking assemblies 5 for locking and fixing the bottom layer brackets 3 are arranged in the locking grooves 4, each locking assembly 5 comprises a bidirectional screw rod 6 movably mounted in the locking groove 4, a fastening nut 7 is fixedly mounted at the middle part of the bidirectional screw rod 6, driving blocks 8 are in threaded connection with both ends of the bidirectional screw rod 6, and fastening pins 9 are, the fastening pin 9 is inserted on the bottom layer bracket 3, the bidirectional screw rod 6 comprises a screw rod 13, two ends of the screw rod 13 are provided with driving threads 14 with opposite turning directions, the driving threads 14 with opposite turning directions can synchronously drive the driving block 8 to move towards two sides or towards the middle in the rotating process, the locking and the releasing of the bottom layer bracket 3 are realized, the installation of the bottom layer bracket 3 is convenient, the locking groove 4 is square, the driving block 8 is attached to the inner wall of the locking groove 4 and is in sliding contact with the inner wall of the locking groove 4, the locking groove 4 is square, the rotation of the driving block 8 can be limited, further the linear motion is realized by matching with the bidirectional screw rod 6, the fastening pin 9 is driven to be inserted into the bottom layer bracket 3 so as to complete the positioning and the fixing of the bottom layer bracket 3, a sealing cover 10 is arranged above the locking groove 4, a limiting frame 11 for preventing the bidirectional screw rod 6 from rotating is, the setting of sealed lid 10, can play the effect of isolation, avoided outside debris to rotate two-way lead screw 6 and cause the influence, spacing 11's setting, can avoid two-way lead screw 6 to take place to rotate effectively, and then guarantee the firm locking of fastening pin 9 to bottom support 3, sealed lid 10 top is provided with the protection piece 15 of halfpace form, be provided with the bail 16 that is used for promoting sealed lid 10 on the protection piece 15, the setting of protection piece 15, can avoid outside debris to enter into locking inslot 4, certain guard action has been played.

When the utility model is used, firstly, four pillars of a bottom layer bracket 3 are inserted into a mounting groove 2, then a fastening nut 7 is rotated to rotate a bidirectional screw rod 6, in the process of rotating the bidirectional screw rod 6, a driving block 8 which is in threaded connection with the bidirectional screw rod 6 can not rotate along with the bidirectional screw rod 6 because of the limitation of a locking groove 4, the driving block 8 can only move along the length direction of the bidirectional screw rod 6, in the process of moving the driving block 8, a fastening pin 9 is pushed to be inserted into the bottom layer bracket 3 to realize the positioning and fastening of the bottom layer bracket 3, then a sealing cover 10 is closed to ensure that a limiting frame 11 is inserted into the fastening nut 7 to limit the rotation of the bidirectional screw rod 6 and ensure the reliability of the fastening pin 9 in a clamping position, and finally, the bottom end of a reinforcing rib 12 which is sleeved on the bottom layer bracket 3 can be fastened through the fastening bolt, and finishing the whole installation process of the construction crane. When the bottom layer bracket 3 needs to be disassembled, the fastening screw cap 7 only needs to be rotated reversely.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a construction elevator chassis which characterized in that: including mount pad (1), mount pad (1) upper surface four corners department is provided with mounting groove (2), all insert in mounting groove (2) and be equipped with bottom support (3), parallel arrangement has two locking grooves (4) between mounting groove (2), it is fixed to be provided with in locking groove (4) to be used for locking subassembly (5) of bottom support (3), locking subassembly (5) are including movable mounting be in two-way lead screw (6) in locking groove (4), two-way lead screw (6) middle part fixed mounting has fastening nut (7), the equal threaded connection in two-way lead screw (6) both ends has drive block (8), fixed mounting has fastening pin (9) on drive block (8), fastening pin (9) are inserted and are established on bottom support (3).

2. A construction elevator undercarriage as claimed in claim 1 wherein: locking groove (4) set up to squarely, just drive block (8) with locking groove (4) inner wall laminating and sliding contact.

3. A construction elevator undercarriage as claimed in claim 1 wherein: mounting groove (2) locking groove (4) top is provided with sealed lid (10), be provided with on sealed lid (10) bottom surface and be used for preventing two-way lead screw (6) pivoted spacing (11), just spacing (11) with fastening nut (7) joint.

4. A construction elevator undercarriage as claimed in claim 1 wherein: bottom support (3) bottom articulates there is strengthening rib (12), strengthening rib (12) bottom demountable installation be in on mount pad (1).

5. A construction elevator undercarriage as claimed in claim 1 wherein: the bidirectional screw rod (6) comprises a screw rod (13), and driving threads (14) with opposite rotation directions are arranged at two ends of the screw rod (13).

6. A construction elevator undercarriage as claimed in claim 3 wherein: the top of the sealing cover (10) is provided with a trapezoidal protective block (15), and a lifting ring (16) used for lifting the sealing cover (10) is arranged on the protective block (15).