阅读说明：本技术 一种施工升降机及其安装方法 (Construction elevator and installation method thereof ) 是由 顾冬晓 蒋敏瑾 沈燕 蒋敏伟 于 2019-10-10 设计创作，主要内容包括：本发明公开了一种施工升降机,该施工升降机安装在井道内,在井道内设有搁机钢梁,在搁机钢梁上安装有曳引机、导向轮和绳头板,所述曳引机通过钢丝绳连接轿厢和对重装置,井道内设有控制柜,所述搁机钢梁的左右两边各设有一个卷扬机,在井道左右两侧的井道壁上分别设有拉耳,两个卷扬机上的钢丝绳分别连接井道壁上的拉耳,卷扬机带动搁机机架上下运动；所述搁机钢梁的一侧设有伸缩组件,伸缩组件伸长支撑于井道各层门洞所在平层面,所述搁机钢梁的另一侧设有牛腿支撑件,所述牛腿支撑件扣合于设在井道壁上的牛腿组件。此发明的优点是该施工升降机安装简便,搁机机架的自动升降提高安装的效率,安全系数高。(The invention discloses a construction elevator, which is arranged in a shaft, wherein a machine placing steel beam is arranged in the shaft, a traction machine, a guide wheel and a rope hitch plate are arranged on the machine placing steel beam, the traction machine is connected with a lift car and a counterweight device through a steel wire rope, a control cabinet is arranged in the shaft, the left side and the right side of the machine placing steel beam are respectively provided with a winch, the shaft walls on the left side and the right side of the shaft are respectively provided with a pull lug, the steel wire ropes on two winches are respectively connected with the pull lugs on the shaft walls, and the winches drive a machine placing rack to move up and down; put one side of quick-witted girder steel and be equipped with flexible subassembly, flexible subassembly extension supports in each layer door opening place flat bed face of well, the opposite side of putting the quick-witted girder steel is equipped with bracket support piece, bracket support piece lock is in establishing the bracket subassembly on the well wall. The construction elevator has the advantages that the construction elevator is simple and convenient to install, the automatic lifting of the machine placing frame improves the installation efficiency, and the safety coefficient is high.)

1. A construction elevator is characterized in that the construction elevator is installed in a hoistway, a machine placing steel beam (400) is arranged in the hoistway, a traction machine (2), a guide wheel (3) and a rope hitch plate (6) are installed on the machine placing steel beam (400), the traction machine (2) is connected with a car (13) and a counterweight (15) through a steel wire rope, a control cabinet is arranged in the hoistway, two winches (11) are respectively arranged on the left side and the right side of the machine placing steel beam (400), pull lugs (1) are respectively arranged on hoistway walls on the left side and the right side of the hoistway, the steel wire ropes on the two winches (11) are respectively connected with the pull lugs (1) on the hoistway walls, and the winches (11) drive a machine placing frame to move up and down; put one side of quick-witted girder steel (400) and be equipped with flexible subassembly (500), flexible subassembly (500) extension is supported in each layer door opening place flat bed face of well, the opposite side of putting quick-witted girder steel (400) is equipped with bracket support piece (470), bracket support piece (470) lock is in bracket subassembly (800) of establishing on the well wall.

2. The construction elevator as claimed in claim 1, wherein the bracket support (470) is bent, bolt holes are formed in the bracket support (470), the bracket assembly (800) comprises a bracket positioning plate (810) and a bracket connecting plate (830), the bracket positioning plate (810) is bent, bolt holes are also formed in positions of the bracket positioning plate (810) corresponding to the bolt holes of the bracket support (470), the front side and the rear side of the bracket connecting plate (830) are bent, the bent portion of the bracket connecting plate (830) is connected with the bent portion of the bracket positioning plate (810), and a plurality of bolt holes are formed in the bracket connecting plate (830).

3. The construction hoist as claimed in claim 2, wherein the telescopic assembly (500) comprises a front telescopic channel (530) and a rear telescopic channel (540), the front telescopic channel (530) and the rear telescopic channel (540) are inserted into the machine steel beam (400), a plurality of bolt holes are formed in the upper portions of the front telescopic channel (530) and the rear telescopic channel (540), a bent Z-shaped beam (510) and a bent reinforcing pull lug (520) are arranged between the front telescopic channel (530) and the rear telescopic channel (540), a push rod mounting plate (10) is arranged on the machine steel beam (400), a push rod (12) is arranged on the push rod mounting plate (10), and the push rod (12) is connected with the bent portion of the reinforcing pull lug (520) on the telescopic assembly (500).

4. A method of installing a construction hoist according to claim 3, characterized by comprising the steps of:

a, the traction ratio of a construction elevator is 2: 1;

b, fixedly installing a guide rail bracket in the hoistway, and installing and correcting the guide rail after the guide rail bracket is installed;

c, placing the machine placing rack in the middle of a hoistway, installing a plurality of pull lugs (1) on two sides of the hoistway at intervals, installing a plurality of bracket assemblies (800) on one side close to bracket supporting pieces (470) of the machine placing rack at intervals, hooking steel wire ropes on a winch (11) on the pull lugs (1) at the lower ends of two sides of the hoistway, horizontally lifting the machine placing rack to a specified floor under the working of the winch (11), buckling the bracket supporting pieces (470) on bayonets of bracket reinforcing ribs (820) arranged on a hoistway wall, opening a push rod (12), pushing the push rod (12) to push reinforcing pull lugs (520) connected with the push rod (12) to move towards the hoistway wall, after the telescopic assemblies (500) complete stretching action, extending and supporting the telescopic assemblies (500) on the plane of door openings of the various layers of the hoistway, and fixing front side channel steel (450) in the machine placing steel beam (400) and front extending and retracting (530) in the telescopic assemblies (500) respectively by bolts, A rear channel steel (460) in the machine placing steel beam (400) and a rear telescopic channel steel (540) in the telescopic assembly (500), wherein the machine placing frame is fixed on a designated floor;

d, installing a speed limiter, a lift car (13), a control cabinet and a lift car frame (14);

e, installing hall doors and door locks;

f, installing a counterweight device (15) and a buffer, wherein the buffer needs to be adjusted and corrected after being installed;

g, installing a towline taper sleeve and hanging a towline;

h, installing an uplink overspeed protection device;

i, debugging the slow vehicle and installing a safety device;

and j, express train debugging and running test.

5. A method for installing a construction elevator according to claim 4, wherein the height of the left and right pulling lugs (1) on the hoistway wall is different and the bracket assembly (800) is designed to be inclined, the machine frame is inclined to rise and inclined to fall, and the right side of the machine frame does not collide with the bracket assembly (800).

6. A method of installing a construction elevator according to claim 4, wherein the bolt of the telescopic assembly (500) is loosened when the machine frame continues to be raised and lowered, the push rod (12) is actuated, the telescopic assembly (500) is retracted to the right into the steel beam (400) of the machine frame, the right side of the machine frame is lifted upwards, and the machine frame can continue to be raised or lowered.

7. The method of claim 4, wherein the machine rack is raised to the topmost floor directly or lowered to the shaft pit directly without stepwise raising or lowering of the machine rack when the construction hoist is installed at a low floor.

Technical Field

The invention relates to a lifter, in particular to a construction lifter and an installation method thereof.

Background

The construction elevator is called as a construction elevator for buildings, and can also be used as an outdoor elevator for lifting a cage in a construction site. However, when the construction elevator is used in the hoistway, due to the fact that the sizes of all places of the hoistway are not consistent or the building floors on which the construction elevator is installed are high, channel steel is installed in the hoistway firstly when the machine placing frame of the construction elevator is installed, a machine room top plate or a cross beam is provided with a metal support or a lifting hook, the machine placing frame and a traction machine are pulled through multiple slings or hoists respectively, the machine placing frame needs to be inclined when being lifted upwards to avoid collision with the wall of the hoistway, and meanwhile, the machine placing frame is lifted upwards to be required to be pulled upwards to the top layer all the time from the bottom of the hoistway, and the machine placing frame.

Disclosure of Invention

The invention provides a construction elevator and an installation method thereof, aiming to solve the problems of installation of the construction elevator in a shaft and lifting installation of a machine placing frame in the construction elevator.

The technical scheme adopted by the invention is as follows:

a construction elevator is installed in a hoistway, a machine placing steel beam is arranged in the hoistway, a traction machine, a guide wheel and a rope hitch plate are installed on the machine placing steel beam, the traction machine is connected with a car and a counterweight through a steel wire rope, a control cabinet is arranged in the hoistway, the left side and the right side of the machine placing steel beam are respectively provided with a winch, shaft walls on the left side and the right side of the hoistway are respectively provided with a pull lug, the steel wire ropes on the two winches are respectively connected with the pull lugs on the shaft walls, and the winch drives a machine placing rack to move up and down; put one side of quick-witted girder steel and be equipped with flexible subassembly, flexible subassembly extension supports in each layer door opening place flat bed face of well, the opposite side of putting the quick-witted girder steel is equipped with bracket support piece, bracket support piece lock is in establishing the bracket subassembly on the well wall.

Further, bracket support piece bends, the last bolt hole that is equipped with of bracket support piece, the bracket subassembly includes bracket locating plate and bracket connecting plate, the bracket locating plate bends, the position that bracket locating plate and bracket support piece's bolt hole correspond also is equipped with the bolt hole, both sides are bent around the bracket connecting plate, and the portion of bending of bracket connecting plate is connected with the portion of bending of bracket locating plate, be equipped with a plurality of bolt hole on the bracket connecting plate. When the bracket supporting piece is fixed with the bracket assembly, the bracket positioning plate is connected with the bracket supporting piece through bolts, and the bracket connecting plate is connected with the well wall through bolts.

Further, flexible subassembly includes preceding flexible channel-section steel and the flexible channel-section steel in back, the preceding flexible channel-section steel inserts with the flexible channel-section steel in back and puts inside the quick-witted girder steel, preceding flexible channel-section steel all is equipped with a plurality of bolt hole with flexible channel-section steel upper portion in back, be equipped with the Z word roof beam of bending and the enhancement of bending between preceding flexible channel-section steel and the flexible channel-section steel in back and draw the ear, it is equipped with the push rod mounting panel on the quick-witted girder steel to put, be equipped with the push rod on the push rod mounting panel, strengthen the portion of bending of drawing. The Z word roof beam increases the intensity and the rigidity of flexible channel-section steel, and the push rod provides the power supply and makes flexible subassembly to the activity of well wall, and flexible subassembly forms the movable part in putting the quick-witted girder steel, and flexible subassembly is putting the quick-witted frame and rises or the decline in-process withdrawal and put quick-witted girder steel inside, reduces the whole diameter of putting the quick-witted frame and prevents to put quick-witted frame and well wall collision, and flexible subassembly is stretched under the effect of push rod and is supported in the door opening at place behind the arrival floor.

The invention also discloses an installation method of the construction elevator, which comprises the following steps:

a, the traction ratio of a construction elevator is 2: 1;

b, fixedly installing a guide rail bracket in the hoistway, and installing and correcting the guide rail after the guide rail bracket is installed;

c: the machine placing rack is placed in the middle of the hoistway, a plurality of pull lugs are arranged on two sides of the hoistway at intervals, a plurality of bracket assemblies are arranged on one side close to a bracket supporting piece of the machine placing rack at intervals, a steel wire rope on the winch is hooked on the pull lugs at the lower ends of two sides of the hoistway, the machine frame is horizontally lifted to a designated floor under the work of the winch, the bracket supporting piece is buckled on a bayonet of a bracket reinforcing rib arranged on the wall of the well, the push rod is opened and pushes a reinforcing pull lug connected with the push rod to move towards the wall of the well, after the telescopic component finishes the extending action, the telescopic assembly is supported on a flat layer where each layer of door opening of the shaft way is located in an extending mode, a front side channel steel in the machine placing steel beam, a front telescopic channel steel in the telescopic assembly, a rear side channel steel in the machine placing steel beam and a rear telescopic channel steel in the telescopic assembly are fixed through bolts respectively, and the machine placing frame is fixed on a specified floor;

d, installing a speed limiter, a lift car, a control cabinet and a lift car frame;

e, installing hall doors and door locks;

f, installing a counterweight device and a buffer, wherein the buffer needs to be adjusted and corrected after being installed;

g, installing a towline taper sleeve and hanging a towline;

h, installing an uplink overspeed protection device;

i, debugging the slow vehicle and installing a safety device;

and j, express train debugging and running test.

Furthermore, the left pull lug and the right pull lug on the wall of the shaft are different in height, the bracket assembly is designed to be inclined, the machine placing rack is inclined to rise and descend, and the right side of the machine placing rack cannot collide with the bracket assembly. The two pull lugs are different in height, so that the machine placing rack is lifted or descended and inclined, and the bracket connecting plate and the bracket reinforcing ribs in the bracket assembly are both designed to be inclined planes, so that the machine placing rack is lifted or descended and cannot collide with the bracket assembly.

Further, when the machine placing frame continues to ascend and descend, the bolts on the telescopic assemblies are loosened, the push rod acts, the telescopic assemblies retract to the right into the machine placing steel beam, the right side of the machine placing frame is lifted upwards, and the machine placing frame can continue to ascend or descend. The pull lug and the bracket assembly are standby and are detached and installed at positions where the machine placing frames are installed after the used pull lug and the bracket assembly are used.

Furthermore, when the floor where the construction elevator is installed is low, the machine placing frame does not need to ascend or descend in a staged mode, and the machine placing frame directly ascends to the topmost layer or directly descends to a hoistway pit.

The invention has the following beneficial effects: the machine placing frame in the construction elevator can automatically lift in a shaft, equipment is fixed on the machine placing frame, a telescopic assembly in the machine placing frame stretches and retracts to reduce the size of the machine placing frame, the machine placing frame does not need to ascend or descend in an inclined mode, and the machine placing frame can ascend or descend in a staged mode; the construction elevator is simple and convenient to install, the automatic lifting of the machine placing rack improves the installation efficiency, and the safety factor is high.

Drawings

FIG. 1 is a schematic diagram of the apparatus of the present invention;

FIG. 2 is a schematic view of the structure of the machine shelf frame of the apparatus of the present invention;

FIG. 3 is a schematic view of the car structure of the apparatus of the present invention;

figure 4 is a front view of the machine resting frame of the device of the invention;

FIG. 5 is a schematic view of a machine shelving steel beam configuration;

FIG. 6 is a schematic view of the telescoping assembly in an active configuration;

FIG. 7 is a schematic view of a corbel assembly;

in the figure, 1 is a pull lug, 2 is a traction machine, 3 is a guide wheel, 400 is a steel beam of a machine placing, 410 is a left sealing plate, 420 is a reinforcing plate, 430 is middle H steel, 440 is a C-shaped steel reinforcing plate, 450 is front side channel steel, 460 is rear side channel steel, 470 is a bracket supporting piece, 480 is a right sealing plate, 500 is a telescopic component, 510 is a Z-shaped beam, 520 is a reinforcing pull lug, 530 is front telescopic channel steel, 540 is rear telescopic channel steel, 6 is a rope head plate, 700 is a guardrail, 710 is a guardrail seat, 800 is a bracket component, 810 is a bracket positioning plate, 820 is a bracket reinforcing rib, 830 is a bracket connecting plate, 10 is a push rod mounting plate, 11 is a winch, 12 is a push rod, 13 is a car, 14 is a car frame, and 15 is a counterweight device.

Detailed Description

The invention is explained in detail below with reference to the figures and examples.