CN211496578U

CN211496578U - Hoisting equipment for bearing driving mechanism of double doors

Info

Publication number: CN211496578U
Application number: CN201921898923.8U
Authority: CN
Inventors: 赵国明; 张秋红; 蔡明�; 武伯有; 董雪冰
Original assignee: Beijing Subway Rolling Stock Equipment Co ltd
Current assignee: Beijing Subway Rolling Stock Equipment Co ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-09-15
Anticipated expiration: 2029-11-06

Abstract

The embodiment of the utility model provides a hoisting device for a double-door bearing driving mechanism, which comprises a fixed frame and an adjusting frame, wherein the fixed frame and the adjusting frame form an integrated plane frame; the lifting driving device comprises a plane frame, a bearing fixing piece and a lifting fixing piece, wherein the bearing fixing piece and the lifting fixing piece are arranged on one side of the fixing frame and protrude out of the plane frame; the adjusting frame is held by hands so that the hoisting equipment rotates by taking the hoisting fixing piece as a fulcrum. According to the utility model discloses a lifting device simple structure, easily operation has higher security.

Description

Hoisting equipment for bearing driving mechanism of double doors

Technical Field

The utility model relates to a two lifting device that open door and bear actuating mechanism for rail transit vehicle.

Background

In the manufacturing process of subway vehicles, particularly rail transit vehicles, a bearing driving mechanism for controlling double doors generally needs to be installed at the top of a vehicle door, the bearing driving mechanism is moved to a specified position in a manual lifting mode during installation, then the relative position between the bearing driving mechanism and a vehicle door main body is adjusted manually, and finally the bearing driving mechanism is fastened in place through a fixing bolt, so that the installation process is completed.

The existing installation mode is labor-consuming and time-consuming due to the use of manpower, and is extremely unstable in positioning mode due to the fact that the appearance of the bearing driving mechanism is irregular and the self weight is heavy, the bearing driving mechanism is difficult to be accurately positioned, and the risk that the bearing driving mechanism falls off the hand and the person is injured due to smashing exists in the installation process.

It is therefore desirable to design a lifting device that can carry the load-bearing drive mechanism, be moved to an installation location by a lifting drive device, such as a crown block, and that an installer can easily angularly adjust the lifting device carrying the load-bearing drive mechanism to complete the installation of the load-bearing drive mechanism. The hoisting equipment is required to have high safety, and even if workers unconsciously fall off the hands in the installation process, the hoisting equipment does not have the risk of smashing the people, and meanwhile, the hoisting equipment is required to be simple in structure and easy to operate.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems and provides a hoisting device for a double-door bearing driving mechanism, which comprises a fixed frame and an adjusting frame, wherein the fixed frame and the adjusting frame form an integrated plane frame; the lifting driving device comprises a plane frame, a bearing fixing piece and a lifting fixing piece, wherein the bearing fixing piece and the lifting fixing piece are arranged on one side of the fixing frame and protrude out of the plane frame; the adjusting frame is held by hands so that the hoisting equipment rotates by taking the hoisting fixing piece as a fulcrum.

In an alternative embodiment, the adjusting bracket comprises a holding rod used for being held by a hand, and two connecting rods perpendicular to the holding rod; the fixing frame comprises a cross rod, the cross rod is perpendicular to the two connecting rods, two end parts of the cross rod are respectively connected with the two connecting rods, and a part between a connecting point of each connecting rod and the cross rod and a free end of each connecting rod forms a part of the fixing frame.

In an alternative embodiment, a reinforcing diagonal is provided between said part of each connecting rod forming the fixing frame and said cross-bar.

In an optional embodiment, the adjusting frame further comprises an intermediate connecting rod disposed between the two connecting rods, and two ends of the intermediate connecting rod are respectively connected to the holding rod and the cross rod.

In an optional embodiment, the fixed frame further includes two movable arms respectively disposed at two sides of the two connecting rods, a middle portion of each movable arm is rotatably connected to a supporting foot rest disposed at a portion of one connecting rod forming the fixed frame, one end portion of each movable arm near a free end of the connecting rod is provided with the bearing fixing member, the other end portion of each movable arm is hinged to one end of a connecting rod, the other end of the connecting rod is hinged to a sleeve disposed on the connecting rod, and the sleeve can slide along the connecting rod, so that the movable arm is rotated by the connecting rod.

In an alternative embodiment, each of the load bearing fixtures is adapted to be inserted into a hole of the load bearing drive mechanism, wherein the load bearing fixtures comprise recesses for receiving the hole edges of the holes, and the recesses of the two load bearing fixtures are oppositely disposed, and the distance between the recesses of the load bearing fixtures on the two movable arms is adjusted by rotating the two movable arms so as to clamp the portion between the two inserted holes.

In an optional embodiment, the hoisting device further comprises a locking assembly for locking the casing and the connecting rod to each other; the locking assembly comprises a positioning hole arranged on the sleeve, a plurality of positioning holes arranged on the connecting rod and a locking pin, wherein the plurality of positioning holes on the connecting rod are arranged along the sliding direction of the sleeve, so that when the sleeve slides on the connecting rod, the positioning hole on the sleeve can be aligned with one positioning hole on the connecting rod, and the locking pin is inserted into the aligned positioning hole to realize locking.

In an alternative embodiment, each of the locking pins is connected to the connecting rod by a chain.

In an alternative embodiment, the hoisting fixture is arranged at the center of gravity of the fixture, so that the hoisting device carrying the load-bearing driving mechanism can be kept balanced when hoisted by the sling of the hoisting driving device.

In an optional embodiment, the hoisting fixture is a fixing ring welded to the fixing frame and/or the bearing fixture is an L-shaped angle iron welded to the fixing frame.

According to the utility model discloses a lifting device makes can mechanized operation, has high security, even the staff unconsciously takes off the hand and also does not smash the risk of hindering the people in the installation, in addition, this lifting device simple structure, easily operation.

Drawings

These and/or other aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the alternative embodiments, taken in conjunction with the accompanying drawings of which:

figure 1 shows a schematic front view of a lifting device for a double door carrying drive mechanism according to one embodiment of the present invention; and

fig. 2 shows a schematic side view of a lifting device for a double door carrying drive mechanism according to an embodiment of the present invention.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings. In the specification, the same or similar reference numerals denote the same or similar components. The following description of the embodiments of the present invention with reference to the drawings is intended to explain the general inventive concept and should not be construed as limiting the invention.

According to the general concept of the utility model, a hoisting device for a double door bearing driving mechanism is provided, which comprises a fixed frame and an adjusting frame, wherein the fixed frame and the adjusting frame form an integrated plane frame; the lifting driving device comprises a plane frame, a bearing fixing piece and a lifting fixing piece, wherein the bearing fixing piece and the lifting fixing piece are arranged on one side of the fixing frame and protrude out of the plane frame; the adjusting frame is held by hands so that the hoisting equipment rotates by taking the hoisting fixing piece as a fulcrum.

Furthermore, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the present embodiments. It may be evident, however, that one or more embodiments may be practiced without these specific details.

Figure 1 shows a schematic front view of a lifting device for a double door carrying drive mechanism according to one embodiment of the present invention; and figure 2 shows a schematic side view of a lifting device for a double door load bearing drive mechanism according to an embodiment of the invention.

As shown in fig. 1-2, the lifting device 1000 for a double door bearing a driving mechanism comprises a fixed frame 100 and an adjusting frame 200, wherein the fixed frame 100 and the adjusting frame 200 form an integral and approximately planar frame; the fixed frame 100 is provided with a bearing fixing piece 110, the bearing fixing piece 110 protrudes out of the plane of the frame and is used for fixing a bearing driving mechanism to be hoisted, the fixed frame 100 is also provided with a hoisting fixing piece 120, and the bearing fixing piece 110 also protrudes out of the plane of the frame and is used for being connected with a hanging strip of hoisting driving equipment; the adjusting bracket 200 is held by hand to make the lifting device 1000 rotate with the lifting fixing member 120 as a fulcrum.

The bearing driving mechanism of the double door of the tramcar is generally in a long-strip box shape, comprises a plurality of mechanical parts, electric parts and electronic parts inside so as to control the opening and closing of the two doors according to instructions of a cab, and is arranged at the top of a door opening of the double door. One long side wall of the long box is provided with a long groove extending along the length direction, and the other long side wall adjacent to the long side wall is provided with a plurality of weight reducing holes distributed along the length direction so as to reduce the weight. In the use process, the front end of the fixing frame 100 is inserted into the long slot for bearing the driving mechanism, and in addition, the two bearing fixing pieces 110 are respectively inserted into the two lightening holes for realizing the fixing.

The adjusting rack 200 comprises a holding rod 210 for being held by a hand, and two connecting rods 220 perpendicular to the holding rod 210; the fixing frame 100 includes a cross bar 130, the cross bar 130 is perpendicular to the two connecting rods 220, two ends of the cross bar 130 are respectively connected to the two connecting rods 220, and a portion between a connecting point of each connecting rod 220 and the cross bar 130 and a free end of the connecting rod 220 forms a part of the fixing frame 100.

After the fixing frame 100 and the bearing driving mechanism are fixed to each other, a suspension machine such as a crane lifts the whole hoisting device 1000 by a hanging strip, and at this time, a worker holds the holding rod 210, adjusts the spatial position of the hoisting device 1000 by taking the hanging point as a lever fulcrum, so that the bearing driving mechanism to be borne is close to the installation position and is in place at the installation position, and the installation and the fixation are convenient for the worker.

The fixing frame 100 further includes two movable arms 150 respectively disposed at two sides of the two connecting rods 220, a middle portion of each movable arm 150 is rotatably connected to a support foot 160 disposed at a portion of one connecting rod 220 forming the fixing frame 100, one end of each movable arm 150 near a free end of the two connecting rods 220 is provided with the bearing fixing member 110, the other end of each movable arm 150 is hinged to one end of a connecting rod 170, the other end of the connecting rod 170 is hinged to a sleeve 180 disposed on the connecting rod 220, the sleeve 180 can slide along the connecting rod 220, and the movable arm 150 is rotated by the connecting rod 170.

Each of the load bearing fixtures 110 is adapted to be inserted into one of the holes of the load bearing driving mechanism, i.e., a lightening hole, wherein the load bearing fixture 110 includes a groove 111 for receiving a hole edge of the lightening hole, and the grooves 111 of the two load bearing fixtures 110 are oppositely disposed, and a distance between the grooves 111 of the load bearing fixtures 110 on the two movable arms 150 is adjusted by rotating the two movable arms 150, so as to clamp a portion between the two inserted lightening holes.

As shown in fig. 1, the support leg 160 has a triangular shape and should have a certain height so that the movable arms 150 can pivot sufficiently, so that the distance between the free ends of the two movable arms 150 and thus the distance between the two load bearing fixtures 110 disposed thereon have a large range. The bearing fixing member 110 is an L-shaped angle iron welded to the free end of the movable arm 150, the L-shaped angle iron includes two iron sheets perpendicular to each other, one of the iron sheets is welded to the free end of the movable arm 150, the other iron sheet is parallel to the frame plane, a groove 111 is formed in a space between the iron sheets and the frame plane, the two angle iron grooves 111 are opposite, and the movable arm 150 is rotated to clamp a hole edge portion between the two lightening holes, so that the bearing driving portion and the fixing frame 100 are fixed to each other.

Wherein a reinforcing diagonal bar 140 is disposed between the portion of each connecting bar 220 forming the fixing frame 100 and the cross bar 130.

In actual operation, since the weight of the load-bearing driving mechanism is heavy, the fixing between the fixing frame 100 and the load-bearing driving portion is realized only by inserting the two angle irons into the two lightening holes respectively and clamping the hole edges of the lightening holes. Therefore, the deformation of the two connection rods 220 due to the large clamping force is easily caused, the free ends of the connection rods 220 approach each other to weaken the clamping force, and the connection rods 220 can be prevented from being deformed by the reinforcement diagonal member 140 provided at the right-angle portion of the fixing frame 100.

As shown in fig. 1-2, the adjusting bracket 200 further includes an intermediate connecting rod 230 disposed between the two connecting rods 220, and both ends of the intermediate connecting rod 230 are connected to the grip 210 and the cross bar 130, respectively. The intermediate connecting rod 230 is provided to prevent the frame from being deformed.

Wherein the hoisting device 1000 further comprises a locking assembly for locking the casing and the connecting rod 220 to each other; wherein the locking assembly comprises a positioning hole 181 provided on the sleeve, a plurality of positioning holes 221 provided on the connecting rod 220, and a locking pin 240, the plurality of positioning holes 221 on the connecting rod 220 are arranged along the sleeve sliding direction, so that when the sleeve slides on the connecting rod 220, the positioning hole 181 on the sleeve can be aligned with the positioning hole 221 on the connecting rod 220, and the locking pin 240 is inserted into the aligned positioning holes to realize locking. Wherein each of the locking pins 240 is connected to the connecting rod 220 by a chain 241.

The above arrangement is used for fixing the bearing driving mechanism, specifically, when the front end of the fixing frame 100 is inserted into the long-shaped slot of the bearing driving mechanism, and the L-shaped angle irons are respectively inserted into the corresponding lightening holes, the sleeve is slid on the connecting rod 220 until the two L-shaped angle irons clamp the hole edge between the lightening holes, at this time, the position of the sleeve on the connecting rod 220 is adjusted to align the positioning hole 181 on the sleeve with the positioning hole 221 on the closest connecting rod 220, and then the locking pin 240 on the chain 241 is inserted into the two aligned positioning holes, so as to realize the locking of the movable arm 150, and thus the angle irons on the movable arm 150, and thus the position between the two angle irons, and realize the locking of the holding fixing of the bearing driving mechanism.

Wherein the hoisting fixture 120 is arranged at the center of gravity of the fixture 100, so that the hoisting device 1000 carrying the load-bearing driving mechanism can be kept balanced when connected to and hoisted by the harness.

As shown in fig. 1-2, the hoisting fixing member 120 is two fixing rings welded at the connecting point between the connecting rod 220 and the cross rod 130, and a sling of a hoisting driving device such as a crown block is connected to the fixing rings, so that when the hoisting device 1000 carrying the load-bearing driving mechanism is hoisted, parts on both sides of the sling can be approximately balanced and at substantially the same height, and a worker holding the grip 210 can finely adjust the spatial position of the load-bearing driving mechanism by adjusting the hoisting device 1000 without difficulty, so as to facilitate installation thereof.

According to the utility model discloses a lifting device 1000 makes can mechanized operation, has high security, even the staff unconsciously takes off the hand and also does not smash the risk of hindering the people in the installation, in addition, this lifting device 1000 simple structure, easily operation.

Although the present invention has been described in connection with the accompanying drawings, the embodiments disclosed in the drawings are intended to exemplify preferred embodiments of the present invention, and should not be construed as limiting the present invention.

Although a few embodiments of the present general inventive concept have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the claims and their equivalents.

Claims

1. A hoisting device for a double-door bearing driving mechanism comprises a fixed frame and an adjusting frame, wherein the fixed frame and the adjusting frame form an integrated planar frame; the lifting driving device comprises a plane frame, a bearing fixing piece and a lifting fixing piece, wherein the bearing fixing piece and the lifting fixing piece are arranged on one side of the fixing frame and protrude out of the plane frame; the adjusting frame is held by hands so that the hoisting equipment rotates by taking the hoisting fixing piece as a fulcrum.

2. The hoisting device as recited in claim 1, wherein the adjustment frame comprises a holding rod for being held by a hand, and two connecting rods perpendicular to the holding rod; the fixing frame comprises a cross rod, the cross rod is perpendicular to the two connecting rods, two end parts of the cross rod are respectively connected with the two connecting rods, and a part between a connecting point of each connecting rod and the cross rod and a free end of each connecting rod forms a part of the fixing frame.

3. Hoisting device according to claim 2, characterized in that a reinforcing diagonal bar is arranged between the part of each connecting rod forming the holder and the cross bar.

4. The hoisting device as recited in claim 2 or 3, wherein the adjusting bracket further comprises an intermediate connecting rod disposed between the two connecting rods, and both ends of the intermediate connecting rod are connected to the holding rod and the cross rod, respectively.

5. The hoisting device as recited in claim 2 or 3, wherein the fixed frame further comprises two movable arms respectively disposed at two sides of the two connecting rods, a middle portion of each movable arm is rotatably connected to a supporting foot stand disposed at a portion of one connecting rod forming the fixed frame, one end portion of each movable arm near a free end of the connecting rod is provided with the bearing fixing member, the other end portion of each movable arm is hinged to one end of a connecting rod, the other end of the connecting rod is hinged to a sleeve sleeved on the connecting rod, and the sleeve can slide along the connecting rod, so that the movable arm is rotated by the connecting rod.

6. Hoisting device according to claim 5, wherein each load bearing fixture is adapted to be inserted into one of the holes of the load bearing drive mechanism, wherein the load bearing fixture comprises a recess for receiving the hole edge of the hole, and wherein the recesses of the two load bearing fixtures are arranged opposite each other, and wherein the distance between the recesses of the load bearing fixtures on the two movable arms is adjusted by turning the two movable arms so as to clamp the portion between the two inserted holes.

7. The hoisting device of claim 6 further comprising a locking assembly for interlocking the sleeve and the connecting rod with one another; the locking assembly comprises a positioning hole arranged on the sleeve, a plurality of positioning holes arranged on the connecting rod and a locking pin, wherein the plurality of positioning holes on the connecting rod are arranged along the sliding direction of the sleeve, so that when the sleeve slides on the connecting rod, the positioning hole on the sleeve can be aligned with one positioning hole on the connecting rod, and the locking pin is inserted into the aligned positioning hole to realize locking.

8. Hoisting device according to claim 7, wherein each locking pin is connected to the connecting rod by a chain.

9. Hoisting device according to any one of claims 1-3, wherein the hoisting fixture is arranged at the centre of gravity of the fixture so that the hoisting device carrying the load-bearing drive mechanism can be balanced when hoisted by the sling of the hoisting drive device.

10. Hoisting device according to any one of claims 1-3, wherein the hoisting fixture is a fixed ring welded to the fixed frame and/or the load bearing fixture is an L-shaped angle iron welded to the fixed frame.