CN215106985U - Auxiliary mounting device for civil air defense door - Google Patents

Abstract

The utility model relates to a civil air defense door auxiliary installation device, which effectively solves the problem of inconvenient installation of the civil air defense door; the technical scheme includes that the device comprises a chassis which is horizontally placed, two support columns are arranged above the chassis, a cross beam is fixed between the two support columns, the lower side of each support column is hinged with the left end of the chassis, a telescopic rod is hinged to the middle point of the cross beam, the other end of the telescopic rod can slide left and right on the chassis, a sliding chute is formed in the upper surface of each support column, a first sliding block and a second sliding block are arranged in each sliding chute, the same fixing plate is arranged above the two first sliding blocks and the two second sliding blocks, and when one first sliding block slides in the sliding chute, the fixing plate can rotate on the support column by taking the other first sliding block as the center of a circle; the utility model discloses can carry out the regulation of two angles to the people's air defense door when using to the straightness that hangs down of adaptation door frame, and installation labour saving and time saving, people's air defense door can not take place to rock, and the security is good, and the practicality is strong.

Description

Auxiliary mounting device for civil air defense door

Technical Field

The utility model relates to a people's air defense construction field specifically is a people's air defense door auxiliary installation device.

Background

People's air defense door is mostly for pure steel construction or concrete placement to form, and the volume of people's air defense door is very big, so it is very inconvenient during the installation, at present the stage is when the building construction just pour people's air defense door frame in the wall body, and perhaps set for pre-buried rings on the ceiling of door frame top, hoist and mount when for later stage people's air defense door installation and use, but because people's air defense door bottom is less with the bottom surface clearance, so in order to prevent that people's air defense door does not collide with the bottom surface at the switch in-process, the installation straightness of hanging down of people's air defense door is higher, nevertheless hoist and mount in-process people's air defense door is very easily swung, not only danger takes place easily, still be unfavorable for the cooperation of people's air defense door and door frame.

Disclosure of Invention

To the above-mentioned condition, for overcoming prior art's defect, the utility model provides a supplementary installation device of people's air defense door, the effectual extremely inconvenient problem of people's air defense door installation of having solved.

The technical scheme includes that the auxiliary mounting device for the civil air defense door comprises a horizontally placed chassis, two support columns which are symmetrically arranged in front and back are arranged above the chassis, a cross beam is fixed between the two support columns, the axis of each support column is along the left-right direction, the lower side of each support column is hinged with the left end of the chassis, the left end of each support column is not in contact with the ground when the support columns are in a vertical state, a telescopic rod is hinged to the middle point of the cross beam, and the other end of each telescopic rod can slide left and right on the chassis;

the upper surface of each supporting column is provided with a sliding groove, each sliding groove is internally provided with a first sliding block and a second sliding block, the first sliding block is positioned on the left side of the second sliding block, the two first sliding blocks and the two second sliding blocks are provided with the same fixing plate, and when one of the first sliding blocks slides in the sliding groove, the fixing plate can rotate on the supporting column by taking the other first sliding block as the center of a circle.

The chassis constitute by two square columns and a channel-section steel, the axis of square column and channel-section steel is all along controlling the direction, two square columns are located the front and back both sides of channel-section steel, fixed connection between square column and the channel-section steel, every square column below all is fixed with a plurality of universal wheels, the square column right side is fixed with the handle, makes things convenient for operator thrust unit to remove, the square column right side still is fixed with the balancing weight, prevents that the device from taking place to turn on one's side when the support column is vertical.

The channel-section steel in be equipped with the third slider, the other end and the third slider of telescopic link are articulated, and the pin joint of telescopic link and third slider is less than the pin joint of telescopic link and crossbeam all the time, be equipped with the pneumatic cylinder between third slider and the channel-section steel right-hand member, the pneumatic cylinder can drive the third slider horizontal slip in the channel-section steel, the third slider promotes the support column through the telescopic link when sliding in the channel-section steel and rotates around the pin joint.

The telescopic link constitute by the round bar of the left and right sides and the drum at middle part, all be equipped with the external screw thread on two round bars, and the screw thread is turned around to opposite, is equipped with two sections internal threads on the drum inner wall, two sections internal threads respectively with the external screw-thread fit on two round bars, if the pneumatic cylinder pushes away the slider to the stroke after the left end, the support column still is not in vertical state, then can adjust the length of telescopic link through rotatory drum to the realization is finely tuned the straightness that hangs down of support column.

The cross-sectional shape of spout be the T shape, first slider breaks away from the spout with the second slider from the left side when preventing that the support column from changeing to vertical state.

The fixing plate comprises a flat plate horizontally placed and L-shaped plates arranged on the left side and the right side of the flat plate, and the long ends of the L-shaped plates are downward and fixed with the flat plate, so that objects placed in the fixing plate can only be separated from the fixing plate from the front side and the rear side and cannot be separated from the fixing plate from the upper side.

Every support column one side all be equipped with a minor axis, be fixed with the turbine on the minor axis, one side of turbine is equipped with the worm, the worm meshes with the turbine all the time, be fixed with the gear on the minor axis of turbine below, the outer fringe face of gear stretches into in the spout and contacts with first slider, is fixed with the rack on the terminal surface of first slider and gear contact, the gear meshes with the rack all the time, rotates the worm and can drive gear revolve through the turbine to make first slider slide in the spout.

The upper surface of fixed plate open and to have four heavy grooves, the notch of heavy groove is the rectangle, and rectangular long limit is along the fore-and-aft direction, logical groove has been seted up on the bottom surface of heavy groove, it can be in heavy inslot gliding pin around, the pin upper end is circular and the diameter is greater than the width that leads to the groove, the pin lower extreme stretches out logical groove and is fixed with first slider or second slider, when one of them first slider slides in the spout and drives the fixed plate around another first slider is rotatory, four pins all are driven and slide around heavy inslot this moment, two second sliders also slide in the spout simultaneously, prevent to produce the interference with the rotation of fixed plate, but another first slider makes the unable rotation of gear because worm gear's auto-lock at this in-process, so another first slider remains motionless throughout, thereby realize the rotation of fixed plate.

The support column left end fixed limit block, at the in-process that the support column rotated to vertical state from the horizontality, the limit block can provide the support to the fixed plate, reduces the extrusion force between rack and the gear, improves the life of gear.

The utility model discloses can carry out the regulation of two angles to the people's air defense door when using to the straightness that hangs down of adaptation door frame, and installation labour saving and time saving, people's air defense door can not take place to rock, and the security is good, and the practicality is strong.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a left side view of the present invention.

Fig. 3 is a state diagram of the support column of the present invention when it is vertical.

Fig. 4 is an assembly diagram of the chassis and its accessories according to the present invention.

Fig. 5 is a part diagram of the telescopic rod of the present invention.

Fig. 6 is a top view of the support post and its accessories of the present invention.

Fig. 7 is an assembly plan view of the first slider, the gear and the worm wheel of the front side of the present invention.

Fig. 8 is a left side view of fig. 7 according to the present invention.

Fig. 9 is a part diagram of the fixing plate of the present invention.

Fig. 10 is a front view partially cross-sectional view of the fixing plate of the present invention.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

As shown in fig. 1 to 10, the utility model comprises a horizontally placed chassis 1, two support columns 2 symmetrically arranged front and back are arranged above the chassis 1, a beam 3 is fixed between the two support columns 2, the axis of each support column 2 is along the left-right direction, the lower side of each support column 2 is hinged with the left end of the chassis 1, the left end of each support column 2 is not contacted with the ground when the support columns 2 are in a vertical state, a telescopic rod 4 is hinged at the middle point of the beam 3, and the other end of the telescopic rod 4 can slide left and right on the chassis 1;

all opened spout 5 on the upper surface of every support column 2, all be equipped with first slider 6 and second slider 7 in every spout 5, first slider 6 is located the left side of second slider 7, and two first sliders 6 and two second slider 7 tops are equipped with same fixed plate 8, and when one of them first slider 6 slided in spout 5, fixed plate 8 can use another first slider 6 to rotate on support column 2 as the centre of a circle this moment.

Chassis 1 constitute by two square columns 9 and a channel-section steel 10, the axis of square column 9 and channel-section steel 10 is all along controlling the direction, two square columns 9 are located channel-section steel 10's front and back both sides, fixed connection between square column 9 and the channel-section steel 10, every square column 9 below all is fixed with a plurality of universal wheels, square column 9 right side is fixed with the handle, makes things convenient for operator's thrust unit to remove, square column 9 right side still is fixed with the balancing weight, prevents that 2 vertical times of support column device from taking place to turn on one's side.

Channel-section steel 10 in be equipped with third slider 13, the other end and the third slider 13 of telescopic link 4 are articulated, and the pin joint of telescopic link 4 and third slider 13 is less than the pin joint of telescopic link 4 with crossbeam 3 all the time, be equipped with the pneumatic cylinder between third slider 13 and the channel-section steel 10 right-hand member, the pneumatic cylinder can drive third slider 13 and slide from side to side in channel-section steel 10, third slider 13 promotes support column 2 through telescopic link 4 when sliding in channel-section steel 10 and rotates around the pin joint.

Telescopic link 4 constitute with the drum 12 at middle part by the round bar 11 of the left and right sides, all be equipped with the external screw thread on two round bars 11, and the screw thread is turned to opposite, is equipped with two sections internal threads on the drum 12 inner wall, two sections internal threads respectively with two external screw-thread fit on the round bar 11, if the pneumatic cylinder pushes away the slider to the stroke after the leftmost end, support column 2 still is not in vertical state, then can adjust the length of telescopic link 4 through rotatory drum 12 to the realization is finely tuned the straightness that hangs down of support column 2.

The cross-sectional shape of spout 5 be T shape, first slider 6 and second slider 7 break away from spout 5 from the left side when preventing support column 2 from changeing vertical state.

The fixing plate 8 comprises a flat plate horizontally placed and L-shaped plates arranged on the left side and the right side of the flat plate, and the long ends of the L-shaped plates are downward and fixed with the flat plate, so that objects placed in the fixing plate 8 can only be separated from the fixing plate 8 from the front side and the rear side and cannot be separated from the fixing plate 8 from the upper side.

Each support column 2 is provided with a short shaft 14 on one side, a worm wheel 15 is fixed on each short shaft 14, a worm 16 is arranged on one side of each worm wheel 15, each worm 16 is always meshed with each worm wheel 15, a gear 17 is fixed on each short shaft 14 below each worm wheel 15, the outer edge surface of each gear 17 extends into the corresponding sliding groove 5 to be in contact with the corresponding first sliding block 6, a rack 18 is fixed on the end surface of each first sliding block 6 in contact with the corresponding gear 17, each gear 17 is always meshed with the corresponding rack 18, and the rotating worm 16 can drive the corresponding gear 17 to rotate through the corresponding worm wheel 15, so that the corresponding first sliding block 6 slides in the corresponding sliding groove 5.

Four sunk grooves 19 are formed in the upper surface of the fixed plate 8, notches of the sunk grooves 19 are rectangular, long sides of the rectangle are in the front-back direction, through grooves are formed in the bottom surfaces of the sunk grooves 19, pins 20 capable of sliding back and forth in the sunk grooves 19 are arranged in the sunk grooves 19, the upper ends of the pins 20 are circular, the diameters of the pins 20 are larger than the widths of the through grooves, the lower ends of the pins 20 extend out of the through grooves and are fixed with the first sliding blocks 6 or the second sliding blocks 7, when one first sliding block 6 slides in the sliding grooves 5 to drive the fixed plate 8 to rotate around the other first sliding block 6, the four pins 20 are driven to slide back and forth in the sunk grooves 19, meanwhile, the two second sliding blocks 7 also slide in the sliding grooves 5 to prevent interference with the rotation of the fixed plate 8, but in the process, the other first sliding block 6 cannot rotate due to self-locking of the worm wheel 16, so that the other first sliding block 6 is kept still, thereby effecting rotation of the fixed plate 8.

The left end of the support column 2 is fixed with the limiting block 21, the limiting block 21 can support the fixing plate 8 in the process that the support column 2 rotates to the vertical state from the horizontal state, the extrusion force between the rack 18 and the gear 17 is reduced, and the service life of the gear 17 is prolonged.

When the utility model is used, the position of the fixed plate 8 on the support column 2 is adjusted through the worm 16, so that the left end of the fixed plate 8 is contacted with the limiting block 21, then the civil air defense door is inserted into the fixed plate 8 from the front side or the rear side, and the civil air defense door is ensured not to slide left and right in the fixed plate 8, and then the civil air defense door is taken to the door frame by the pushing device, so that a gap is formed between the civil air defense door and the door frame, and the civil air defense door is convenient to adjust and install subsequently;

the hydraulic cylinder is started, the hydraulic cylinder pushes the third slide block 13 to move leftwards in the channel steel 10, because the hinge point of the telescopic rod 4 and the third slide block 13 is always lower than the hinge point of the telescopic rod 4 and the cross beam 3, so that the phenomenon of locking can not occur at the moment, the third sliding block 13 pushes the supporting column 2 to rotate around the hinge point through the telescopic rod 4, in the process, because the left end of the fixed plate 8 is always contacted with the limit block 21, the limit block 21 can share the gravity of the civil air defense door, the extrusion between the rack 18 and the gear 17 on the first sliding block 6 is reduced, thereby prolonging the service life of the gear 17 and the rack 18, and because the right side of the supporting column 2 is fixed with the balancing weight, so that the device can not roll over, when the hydraulic cylinder pushes the third slide block 13 to the leftmost side of the stroke, measuring whether the verticality of the civil air defense door is the same as the verticality of the door frame shaft pin, if deviation exists, starting adjustment, and dividing the adjustment of the verticality into two steps by the device;

firstly, measuring whether the perpendicularity of the civil air defense door and the door frame in the left and right directions is the same, if the verticality of the civil air defense door and the door frame in the left and right directions is different, adjusting the length of the telescopic rod 4 by rotating the cylinder 12, and further changing the rotating angle of the supporting column 2 until the verticality of the civil air defense door and the door frame in the left and right directions is the same;

then whether the verticality of the civil air defense door and the door frame in the front and back direction is the same or not is measured, if the verticality is different, one worm 16 is rotated, the worm 16 drives the worm wheel 15 to rotate, the worm wheel 15 drives the gear 17 to rotate through the short shaft 14, the gear 17 drives the first sliding block 6 to slide in the sliding groove 5 through the rack 18, the first sliding block 6 drives the fixing plate 8 to rotate around the other first sliding block 6, at the moment, the four pins 20 are all driven to slide back and forth in the sinking groove 19, meanwhile, the two second sliding blocks 7 also slide in the sliding grooves 5 to prevent interference with the rotation of the fixed plate 8, but in the process, the other first sliding block 6 can not rotate the gear 17 due to the self-locking of the worm gear 16, the other first sliding block 6 is always kept still so as to realize the rotation of the fixed plate 8, and the worm 16 is stopped to rotate until the verticality of the civil air defense door and the doorframe in the front-back direction is the same;

at the moment, the verticality between the civil air defense door and the door frame is completely the same, the chassis 1 is pushed, the civil air defense door is in contact with the door frame, and a worker can start to install the civil air defense door;

after the installation is accomplished, with the device back-and-forth movement, make people's air defense door break away from fixed plate 8 from the front side or the rear side of fixed plate 8, reverse rotation worm 16 again makes the position of fixed plate 8 on support column 2 resume to the state before using, and reverse rotation drum 12 reduces the length of telescopic link 4, prevents that support column 2 can't resume the horizontality, restarts the pneumatic cylinder, and the slider passes through telescopic link 4 pulling support column 2 and resumes to the horizontality.

The utility model has the advantages of following showing:

the utility model discloses a support column 2 can relative chassis 1 rotate in the left and right sides direction, and fixed plate 8 can relative support column 2 rotatory in the front and back direction, make the people's air defense door need not to use iron cable and rings when the installation, and the people's air defense door can not take place to rock in the installation, and dangerous little, the practicality is strong.

The utility model discloses in use, can also be through the length of adjusting telescopic link 4 and the position of first slider 6, finely tune to the straightness that hangs down of people's air defense door, even also can accurately dock people's air defense door and doorframe under the circumstances of ground unevenness, make things convenient for workman's installation, need not the position of artificial control people's air defense door when using rings, labour saving and time saving.

The utility model discloses with gear 17 and 15 coaxial fixed of turbines, ingenious auto-locks of borrowing worm gear 16 for only when the artificial worm 16 that rotates, just can running gear 17, prevent that gear 17 from taking place to rotate under people's air defense door gravity, the security is high.

The utility model discloses be equipped with universal wheel and handle on chassis 1, not only conveniently in time adjust the position of people's air defense door when the installation, can also carry out short distance transportation, convenient to use to people's air defense door.

Claims (9)

1. The auxiliary mounting device for the civil air defense door is characterized by comprising a horizontally placed chassis (1), wherein two support columns (2) which are symmetrically arranged in front and back are arranged above the chassis (1), a cross beam (3) is fixed between the two support columns (2), the axis of each support column (2) is along the left-right direction, the lower side of each support column (2) is hinged with the left end of the chassis (1), the left end of each support column (2) is not contacted with the ground when the support columns (2) are in a vertical state, a telescopic rod (4) is hinged at the midpoint of each cross beam (3), and the other end of each telescopic rod (4) can slide left and right on the chassis (1);

all opened spout (5) on the upper surface of every support column (2), all be equipped with first slider (6) and second slider (7) in every spout (5), first slider (6) are located the left side of second slider (7), same fixed plate (8) are equipped with to two first sliders (6) and two second slider (7) tops, when one of them first slider (6) slides in spout (5), fixed plate (8) can use another first slider (6) to rotate on support column (2) as the centre of a circle this moment.

2. The auxiliary mounting device for the civil air defense door as claimed in claim 1, wherein the chassis (1) is composed of two square columns (9) and a channel steel (10), the axes of the square columns (9) and the channel steel (10) are along the left-right direction, the two square columns (9) are located on the front side and the rear side of the channel steel (10), the square columns (9) are fixedly connected with the channel steel (10), a plurality of universal wheels are fixed below each square column (9), a handle is fixed on the right side of each square column (9), and a balancing weight is further fixed on the right side of each square column (9).

3. The auxiliary mounting device for the civil air defense door as claimed in claim 2, wherein a third sliding block (13) is arranged in the channel steel (10), the other end of the telescopic rod (4) is hinged to the third sliding block (13), the hinged point of the telescopic rod (4) and the third sliding block (13) is always lower than the hinged point of the telescopic rod (4) and the cross beam (3), and a hydraulic cylinder is arranged between the third sliding block (13) and the right end of the channel steel (10).

4. The auxiliary mounting device for the civil air defense door as claimed in claim 1, wherein the telescopic rod (4) consists of round rods (11) at the left and right sides and a cylinder (12) at the middle part, both the round rods (11) are provided with external threads, the thread directions are opposite, the inner wall of the cylinder (12) is provided with two sections of internal threads, and the two sections of internal threads are respectively matched with the external threads on the two round rods (11).

5. A civil air defense door auxiliary mounting arrangement according to claim 1, characterised in that the cross-sectional shape of the chute (5) is T-shaped.

6. A civil air defense door auxiliary mounting device as claimed in claim 1 wherein the fixing plate (8) comprises a flat plate placed horizontally and L-shaped plates at the left and right sides of the flat plate, the long ends of the L-shaped plates are downward and fixed with the flat plate.

7. The auxiliary mounting device for the civil air defense door as claimed in claim 1, wherein one side of each supporting column (2) is provided with a short shaft (14), a worm wheel (15) is fixed on the short shaft (14), one side of the worm wheel (15) is provided with a worm (16), the worm (16) is always meshed with the worm wheel (15), a gear (17) is fixed on the short shaft (14) below the worm wheel (15), the outer edge surface of the gear (17) extends into the sliding groove (5) to be contacted with the first sliding block (6), a rack (18) is fixed on the end surface of the first sliding block (6) contacted with the gear (17), and the gear (17) is always meshed with the rack (18).

8. The auxiliary mounting device for the civil air defense door according to claim 1, characterized in that the upper surface of the fixing plate (8) is provided with four sinking grooves (19), the notches of the sinking grooves (19) are rectangular, the long sides of the rectangle are along the front and back directions, the bottom surfaces of the sinking grooves (19) are provided with through grooves, pins (20) capable of sliding back and forth in the sinking grooves (19) are arranged in the sinking grooves (19), the upper ends of the pins (20) are circular, the diameter of the upper ends of the pins is larger than the width of the through grooves, and the lower ends of the pins (20) extend out of the through grooves and are fixed with the first sliding block (6) or the second sliding block (7).

9. A civil air defense door auxiliary mounting device according to claim 1, characterized in that the left end of the supporting column (2) is fixed with a limiting block (21).

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