阅读说明：本技术 一种用于电梯下梁与安全钳安装的装配工装 (Assembling tool for mounting elevator lower beam and safety tongs ) 是由 皮远东 邬新辉 王抒东 于 2021-06-29 设计创作，主要内容包括：本发明公开一种用于电梯下梁与安全钳安装的装配工装,包括：机架,以及设于机架上沿长度排列的定位钳组件、滑控组件和托料板,定位钳组件、滑控组件和托料板各设置关于机架中线对称的两组,其中,两组托料板用于平行放置横梁,滑控组件与定位钳组件驱动相连,定位钳组件位于机架顶部受滑控组件驱使沿机架长度方向滑动,安全钳匹配放置于定位钳组件处和横梁定位装配。使用本装配工装,将下梁对应放置在托料板上,安全钳定位放置在定位钳组件上,根据下梁实际位置,滑板将安全钳准确定位到下梁的装配位置上,快速进行装配安装,保证精确的安装水平度和垂直度要求,从而简化了传统人工调整等繁琐工序,提高效率,节约作业周期。(The invention discloses an assembly tool for mounting an elevator lower beam and safety tongs, which comprises: the safety clamp comprises a rack, and a positioning clamp assembly, a sliding control assembly and a material supporting plate which are arranged on the rack along the length direction, wherein the positioning clamp assembly, the sliding control assembly and the material supporting plate are respectively provided with two groups which are symmetrical about the center line of the rack, the two groups of material supporting plates are used for placing a cross beam in parallel, the sliding control assembly is connected with the positioning clamp assembly in a driving mode, the positioning clamp assembly is located at the top of the rack and driven by the sliding control assembly to slide along the length direction of the rack, and safety clamps are matched and placed at the positioning clamp assembly and are positioned and assembled on the cross beam. The lower beam is correspondingly placed on the material supporting plate by using the assembly tool, the safety tongs are positioned on the positioning tongs assembly, the safety tongs are accurately positioned on the assembly position of the lower beam by the sliding plate according to the actual position of the lower beam, the assembly and installation are rapidly carried out, and the accurate installation levelness and the verticality requirement are ensured, so that the complex processes such as the traditional manual adjustment are simplified, the efficiency is improved, and the operation period is saved.)

1. The utility model provides an assembly fixture that is used for elevator underbeam and safety tongs to install which characterized in that includes:

a frame; and

the safety clamp comprises a positioning clamp assembly, a sliding control assembly and a material supporting plate, wherein the positioning clamp assembly, the sliding control assembly and the material supporting plate are arranged on the rack along the length direction, the positioning clamp assembly, the sliding control assembly and the material supporting plate are respectively provided with two groups which are symmetrical about the center line of the rack, the two groups of material supporting plates are used for placing a cross beam in parallel, the sliding control assembly is connected with the positioning clamp assembly in a driving mode, the positioning clamp assembly is positioned at the top of the rack and driven by the sliding control assembly to slide along the length direction of the rack, and safety clamps are placed at the positioning clamp assembly in a matched mode and positioned and assembled with the cross beam.

2. The assembly fixture for mounting the lower beam and the safety gear of the elevator according to claim 1, wherein the frame is of an integral welding structure and comprises two main beams which are aligned in parallel, vertical brackets are arranged at the positions, close to the two ends, of the main beams, foot pads are fixed at the bottoms of the brackets, the opposite brackets on the two main beams are fixedly connected through the lower longitudinal beam, and the opposite main beams are fixedly connected through side longitudinal beams, middle longitudinal beams and motor supporting plates which are sequentially arranged from the end parts to the middle parts.

3. The assembly tool for mounting the lower beam and the safety tongs of the elevator as claimed in claim 2, wherein the main cross beam, the corbel, the lower longitudinal beam, the side longitudinal beam and the middle longitudinal beam are all channel steel.

4. The assembly fixture for mounting the lower beam and the safety gear of the elevator as claimed in claim 2, wherein the sliding control assembly comprises a motor, a screw rod, a fixed end of the screw rod, a support end of the screw rod, a screw nut and a connecting plate, the motor is fixed on the motor support plate, the output end of the motor is directed to the end of the main cross beam, the support end and the fixed end of the screw rod are respectively and fixedly mounted on the side longitudinal beam and the middle longitudinal beam, the screw nut is fixed on the connecting plate, the screw rod coaxially penetrates through the fixed end of the screw rod, the connecting plate, the screw nut and the support end of the screw rod and is connected with the motor in a driving mode, and the connecting plate is driven to axially transmit along the screw rod.

5. The assembly fixture for mounting the elevator underbeam and the safety tongs according to claim 4, wherein the sliding control assembly further comprises a guide rail and a guide rail backing plate, the guide rail backing plate is fixed on the top of the main beam in a matching manner, and the guide rail is mounted on the guide rail backing plate.

6. The assembly fixture for mounting the lower beam and the safety tongs of the elevator as claimed in claim 5, wherein the positioning tong assembly comprises a sliding plate, a positioning bottom plate, a positioning tongue, a left pincer holder, a right pincer holder, a left backup plate and a right backup plate, the positioning tongue is fixed on the positioning bottom plate, the left pincer holder and the right pincer holder are symmetrically arranged on two sides of the positioning tongue and fixed on the positioning bottom plate, the left backup plate and the right backup plate respectively abut against the front sides of the left pincer holder and the right pincer holder and are fixed on the positioning bottom plate, the positioning bottom plate is fixed on the sliding plate, a sliding block is arranged at the bottom of the sliding plate and is in sliding fit with the guide rail, and the top surface of the connecting plate and the bottom surface of the sliding plate are fixed.

7. The assembly fixture for mounting the elevator lower beam and the safety gear according to claim 6, wherein the retainer plate is fixed between the two main cross beams and is positioned between the middle longitudinal beam and the sliding plate.

Technical Field

The invention belongs to the technical field of elevators, and particularly relates to an assembly tool for mounting an elevator underbeam and safety tongs.

Background

The elevator is a vertical elevator powered by a motor, is provided with a box-shaped nacelle for carrying people or goods in a multi-story building and is also of a step type, a step plate is arranged on a track to continuously run, commonly called an escalator or a moving sidewalk, and the two differences are different in running direction.

A fixed elevator serving a predetermined floor generally has a car, two rows of vertically traveling guide rails are inclined within 15 °, and the elevator mainly includes a hoisting machine (winch), guide rails, a counterweight, safety devices (such as a speed governor, a safety gear, a buffer, and the like), a signal control system, the car, a hall door, and the like. These parts are installed in the hoistway and machine room of the building, respectively. Usually, a steel wire rope is used for friction transmission, the steel wire rope bypasses a traction sheave, two ends of the steel wire rope are respectively connected with a car and a balance weight, and a motor drives the traction sheave to lift the car.

The elevator with various running speeds is produced according to the height of a floor, and comprises a low-speed elevator, a medium-high speed elevator and an ultra-high speed elevator, the most important part in the running of the elevator is in the aspect of safety, like an automobile, a car can be stopped only by braking in the running process, particularly, under the dangerous condition, the car needs to be braked emergently in a very short time to avoid accidents, the elevator at the braking part is mainly charged by safety tongs, the safety tongs are arranged on a bottom beam at the bottom of the car, and the guide rail is propped against by wedge blocks to generate friction braking, so the safety tongs are required to be arranged on the bottom beam firmly, and the installation precision is also required to be controlled strictly.

The applicant discovers that the existing production workshop is lack of the assembly tool, the safety tongs are usually directly held by workers to be close to the lower beam installation station, the assembly mode has the defects of large defects, inaccurate positioning, low assembly efficiency and levelness and verticality deviation, the abnormal sound or misoperation of elevator operation is caused, and the development of a tool is urgently needed to overcome the defects.

Disclosure of Invention

In order to solve the existing problems in the background art, the invention provides the assembly tool for mounting the lower beam and the safety tongs of the elevator, the safety tongs and the lower beam are accurately and quickly positioned, and the assembly precision and the assembly efficiency are high.

The invention adopts the following technical scheme:

the utility model provides an assembly fixture that is used for elevator underbeam and safety tongs to install, includes:

a frame; and

the positioning clamp assembly, the sliding control assembly and the material supporting plate are arranged on the rack along the length;

as an implementation mode, the positioning clamp assembly, the sliding control assembly and the material supporting plate are respectively provided with two groups which are symmetrical about a center line of the rack, wherein the two groups of material supporting plates are used for placing the cross beam in parallel, the sliding control assembly is in driving connection with the positioning clamp assembly, the positioning clamp assembly is positioned at the top of the rack and is driven by the sliding control assembly to slide along the length direction of the rack, and the safety clamp is placed at the positioning clamp assembly in a matching manner and is positioned and assembled with the cross beam.

The distance between the positioning clamp assemblies is adjusted through the sliding control assembly holes, so that the material supporting plate can be placed on lower beams with various lengths, and the assembly universality is improved.

As an embodiment, it is further, frame welded structure as an organic whole, it includes two parallel alignment's main beam, the main beam is close to both ends department and establishes vertical bracket, the bracket bottom is fixed with the running-board, by longeron fixed connection down between the relative bracket on two main beams, through the limit longeron, well longeron and the motor layer board fixed connection that establish in proper order from the tip toward the direction at middle part between the two relative main beams.

As an embodiment, the main cross beam, the corbels, the lower longitudinal beams, the side longitudinal beams and the middle longitudinal beam are all channel steel.

As an implementation mode, further, the sliding control assembly comprises a motor, a screw rod fixing end, a screw rod supporting end, a screw rod nut and a connecting plate, the motor is fixed on the motor supporting plate, the output end of the motor points to the end part of the main cross beam, the screw rod supporting end and the screw rod fixing end are fixedly installed on the side longitudinal beam and the middle longitudinal beam respectively, the screw rod nut is fixed on the connecting plate, the screw rod coaxially penetrates through the screw rod fixing end, the connecting plate, the screw rod nut and the screw rod supporting end and is connected with the motor in a driving mode, and the connecting plate is driven to axially transmit along the screw rod.

As an implementation mode, further, the sliding control assembly further comprises a guide rail and a guide rail base plate, the guide rail base plate is fixed on the top of the main cross beam in a matching mode, and the guide rail is installed on the guide rail base plate.

As an implementation mode, the positioning clamp assembly includes a sliding plate, a positioning bottom plate, a positioning tongue, a left clamp seat, a right clamp seat, a left backup plate, and a right backup plate, the positioning tongue is fixed on the positioning bottom plate, the left clamp seat and the right clamp seat are symmetrically disposed on two sides of the positioning tongue and fixed on the positioning bottom plate, the left backup plate and the right backup plate respectively abut against the front sides of the left clamp seat and the right clamp seat and are fixed on the positioning bottom plate, the positioning bottom plate is fixed on the sliding plate, the sliding plate is provided with a sliding block at the bottom and is slidably fitted on the guide rail, and the top surface of the connecting plate and the bottom surface of the sliding plate are fixed together.

As an embodiment, further, the retainer plate is fixed between the two main cross beams and is located between the middle longitudinal beam and the sliding plate.

During assembly, according to the actual length size of the lower beam, the position of the safety tongs is adjusted by the motor, rapid positioning is realized, accurate installation is realized, the precision requirement is met, the use safety is improved, and meanwhile, the assembly efficiency is improved.

The invention has the following beneficial effects:

use this assembly fixture, place the underbeam correspondence on the flitch holds in the palm, the safety tongs location is placed on the location pincers subassembly, slide different positions on the main beam through the electric machine control slide, satisfy the assembly of multiple length underbeam, according to underbeam actual position, the slide is with the safety tongs pinpoint to the assembled position of underbeam, assemble the installation fast, guarantee accurate installation levelness and the straightness requirement that hangs down, avoid assembly error to bring the work potential safety hazard, tedious processes such as traditional manual adjustment have been simplified, the efficiency is improved, and the operation cycle is saved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an assembly fixture for mounting an elevator underbeam and safety tongs according to the invention;

FIG. 2 is a schematic structural view of a frame;

FIG. 3 is a schematic structural view of a positioning vise assembly;

FIG. 4 is a schematic structural diagram of a slide control assembly.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 to 4 together, the assembling tool for installing the elevator underbeam and the safety tongs according to the present invention comprises: the device comprises a rack 1, and a positioning clamp assembly 2, a sliding control assembly 3 and a material supporting plate 4 which are arranged on the rack 1 along the length.

As a preferred embodiment, preferably, the positioning clamp assembly 2, the sliding control assembly 3 and the retainer plate 4 are respectively provided with two groups which are symmetrical about a center line of the frame 1, and naturally, the retainer plate 4 is also matched with the two groups, wherein the two groups of retainer plates 4 are used for placing a beam in parallel, the sliding control assembly 3 is connected with the positioning clamp assembly 2 in a driving manner, the positioning clamp assembly 2 is positioned at the top of the frame 1 and is driven by the sliding control assembly 3 to slide along the length direction of the frame 1, and the safety clamp is matched with the positioning clamp assembly 2 and is positioned and assembled on the beam.

Therefore, compared with the traditional method that a series of processes of adjustment, positioning and assembly are completed completely by manpower, the efficiency is greatly improved, the adjustment process is simplified, the positioning to the assembly position is quicker and more accurate, and the assembly precision requirement is met.

Firstly, the machine frame 1 is preferably an integral welding structure, referring to fig. 2, which includes two main beams 10 aligned in parallel, the main beams 10 are provided with vertical brackets 11 near two ends, the bottom of each bracket 11 is fixed with a foot pad 12, and the opposite brackets 11 on the two main beams 10 are fixedly connected by a lower longitudinal beam 13, so as to form a frame body structure which can be stably placed on the ground.

Next, as shown in fig. 2, the two opposite main beams 10 are fixedly connected through the side longitudinal beam 14, the middle longitudinal beam 15 and the motor supporting plate 16 which are sequentially arranged from the end portion to the middle portion, it should be noted that the bottom portions of the side longitudinal beam 14, the middle longitudinal beam 15 and the motor supporting plate 16 are all on the same horizontal plane, so that uniform welding is facilitated, and the main beams 10, the corbels 11, the lower longitudinal beams 13, the side longitudinal beams 14 and the middle longitudinal beam 15 are all channel steel made of Q235 material, so that sufficient strength requirements are met.

Next, as shown in fig. 4, the slide control assembly 3 includes a motor 30, a lead screw 31, a lead screw fixing end 32, a lead screw supporting end 33, a lead screw nut 34, a connecting plate 35, a guide rail 36, and a guide rail pad 37.

In detail, as shown in fig. 4, the motor 30 is fixed on the motor support plate 16, and the output end of the motor is directed to the end of the main beam 10, the lead screw support end 33 and the lead screw fixing end 32 are respectively and fixedly mounted on the side longitudinal beam 14 and the middle longitudinal beam 15, the lead screw nut 34 is fixed on the connecting plate 35, the lead screw 31 coaxially penetrates through the lead screw fixing end 32, the connecting plate 35, the lead screw nut 34 and the lead screw support end 33 and is in driving connection with the motor 30, and the connecting plate 35 is driven to axially transmit along the lead screw 31.

In addition, the guide rail backing plate 37 is fixed on the top of the main beam 10 in a matching manner, the guide rail 36 is installed on the guide rail backing plate 37, and the length of the single-section guide rail 36 is shorter than that of the main beam 10, so that the material saving is facilitated.

The positioning clamp assemblies 2 are connected with the top surface of the connecting plate 35, the positioning clamp assemblies 2 are driven by the transmission of the screw rod 31 to slide in the length direction of the rack 1, and the distance between the positioning clamp assemblies 2 is controlled and adjusted through the sliding control assembly 3, so that the retainer plate 4 can be placed by a plurality of length underbeams, and the assembly universality is improved.

Finally, referring to fig. 3, the positioning clamp assembly 2 includes a sliding plate 20, a positioning base plate 21, a positioning tongue 22, a left pressing clamp seat 23, a right pressing clamp seat 24, a left backup plate 25, and a right backup plate 26.

In detail, as shown in fig. 3, the positioning tongue 22 is fixed on the positioning base plate 21, the left pincer holder 23 and the right pincer holder 24 are symmetrically disposed on both sides of the positioning tongue 22 and fixed on the positioning base plate 21, the left backup plate 25 and the right backup plate 26 respectively abut against the front sides of the left pincer holder 23 and the right pincer holder 24 and are fixed on the positioning base plate 21, and an opening formed by the left backup plate 25 and the right backup plate 26 faces the motor 30, so that the safety tongs can be adapted and positioned.

As shown in fig. 3, the positioning bottom plate 21 is fixed on the sliding plate 20, the sliding block 27 is arranged at the bottom of the sliding plate 20 and is in sliding fit with the guide rail 36, the top surface of the connecting plate 35 is fixed with the bottom surface of the sliding plate 20, the retainer plate 4 is fixed between the two main beams 10 and is positioned between the middle longitudinal beam 15 and the sliding plate 20, and during assembly, the position of the safety tongs is adjusted by the motor 30 according to the actual length of the lower beam, so that rapid positioning and accurate installation are realized, the precision requirement is met, the use safety is improved, and the assembly efficiency is improved.

The invention has the advantages that:

use this assembly fixture, place the underbeam correspondence on the flitch holds in the palm, the safety tongs location is placed on the location pincers subassembly, slide different positions on the main beam through the electric machine control slide, satisfy the assembly of multiple length underbeam, according to underbeam actual position, the slide is with the safety tongs pinpoint to the assembled position of underbeam, assemble the installation fast, guarantee accurate installation levelness and the straightness requirement that hangs down, avoid assembly error to bring the work potential safety hazard, tedious processes such as traditional manual adjustment have been simplified, the efficiency is improved, and the operation cycle is saved.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.