CN210884878U

CN210884878U - Lifting hook device for hoisting civil air defense door

Info

Publication number: CN210884878U
Application number: CN201921751584.0U
Authority: CN
Inventors: 王金华
Original assignee: Jiangsu Xintianhui Construction Engineering Co ltd
Current assignee: Jiangsu Xintianhui Construction Engineering Co ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-06-30
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses a lifting hook device for hoisting a civil air defense door, which comprises a first upright post, a second upright post, a cross beam and a positioning surface, wherein the bottom of the cross beam is provided with a lifting hook, the top of the first upright post is provided with a first installation part, the top of the second upright post is provided with a second installation part, the first installation part and the second installation part are both provided with sliding through holes, the top of the first installation part is provided with a driving motor, the output shaft of the driving motor vertically penetrates through the top wall of the first installation part, the output shaft of the driving motor is also provided with a driving gear which is positioned in the sliding through holes and can horizontally rotate, the top of the cross beam is provided with a driving rack which is matched with the driving gear and is parallel to the cross beam, the lifting hook device for hoisting the civil air defense door can conveniently adjust the position of the lifting hook, so that the symmetrical surface parallel to the inlet and outlet direction of the civil air defense door, which contributes to a smoother mounting of the door leaf to the door frame by means of the above-mentioned hook.

Description

Lifting hook device for hoisting civil air defense door

Technical Field

The utility model relates to a hoist and mount field especially relates to a hook assembly for people's air defense door hoist and mount.

Background

Civil air defense engineering also calls civil air defense workers, and refers to underground protective buildings which are independently built for guaranteeing personnel and material shelter, civil air defense command and medical rescue in wartime, and basements which are built by combining ground buildings and can be used for air defense in wartime. The civil air defense door is a door of a civil protection project entrance and exit and comprises a door frame and a door leaf. The installation of the civil air defense door comprises the installation of a door frame and the installation of a door leaf, wherein the installation of the door frame is generally carried out when a steel bar structure is built in a building, and the installation of the door leaf is carried out after the concrete pouring of the building is finished. The lifting hook on the top plate in front of the civil air defense door is needed to be used when the door leaf of the civil air defense door is installed, and the lifting hook is embedded in the top plate in front of the civil air defense door when a building steel bar structure is built.

Fig. 1 is a schematic diagram showing relative positions of a hook 6 ' and a doorframe 8 ' of a civil air defense door in the prior art, wherein the hook 6 ' is fixed on a top plate 91 ', the doorframe 8 ' is fixed on a side wall 92 ', and in order to enable a door leaf to be more smoothly installed on the doorframe 8 ' during a hoisting process, a symmetrical plane L1 of the hook 6 ' parallel to an in-and-out direction of the civil air defense door and a symmetrical plane L2 of the doorframe 8 ' parallel to the in-and-out direction of the civil air defense door are located on the same plane.

But when the lifting hook 6 ' of pre-buried in roof before people's air defense door takes place to damage and can't use, cause the people's air defense door not to have the lifting hook 6 ' of assisting the installation of door leaf in front, and then increased the installation degree of difficulty of door leaf.

The application publication number is CN 109573824A's Chinese invention patent application discloses a portable lifting hook for installation of a civil air defense door, which comprises a door-shaped bracket formed by two steel columns and a steel beam in a detachable mode and a lifting hook prefabricated on the steel beam, and the problem that no lifting hook assisting in installation of a door leaf exists in front of the civil air defense door can be solved through the portable lifting hook for installation of the civil air defense door.

Because the weight of door font support is great, need use load tools such as fork truck when removing door font support, cause door font support to place the precision relatively poor in the door frame front, simultaneously, the position of the above-mentioned lifting hook on door font support that is arranged in the portable lifting hook of people's air defense door installation is unchangeable, causes the difficult alignment of the plane of symmetry that is on a parallel with the business turn over direction of people's air defense door in the lifting hook and the plane of symmetry that the frame is on a parallel with the business turn over direction of people's air defense door.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hook assembly for people's air defense door hoist and mount can make things convenient for the plane of symmetry that is on a parallel with the business turn over direction of people's air defense door in the lifting hook and the plane of symmetry position that the door frame is on a parallel with the business turn over direction of people's air defense door to be located the coplanar.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a lifting hook device for hoisting a civil air defense door comprises a first upright post, a second upright post and a cross beam, the bottom of the beam is provided with a lifting hook and also comprises a positioning surface which is used for being attached to the side wall provided with the door frame, the top of the first upright post is provided with a first mounting part matched with one end of the cross beam, the top of the second upright post is provided with a second mounting part matched with the other end of the cross beam, the first mounting part and the second mounting part are both provided with sliding through holes for the sliding of the cross beam, the top of the first mounting part is provided with a driving motor, an output shaft of the driving motor vertically penetrates through the top wall of the first mounting part, a driving gear which is positioned in the sliding through hole and can horizontally rotate is further mounted on the output shaft of the driving motor, the top of crossbeam be equipped with drive gear cooperation and be on a parallel with the drive rack of crossbeam.

Through adopting above-mentioned technical scheme, the step before installing above-mentioned hook assembly that is used for people's air defense door hoist and mount to the door frame of people's air defense door is as follows: 1. moving the lifting hook device to the front of a doorframe of the civil air defense door by using a forklift, so that the first upright post and the second upright post are respectively positioned at two sides of the doorframe; 2. the lifting hook device is jacked by the forklift, so that a positioning surface in the lifting hook device is attached to the side wall provided with the door frame; 3. marking a marking line on a symmetrical surface of the door frame parallel to the access direction of the civil air defense door under the cross beam; 4. the position of the cross beam is adjusted through the driving motor, so that the cross beam horizontally moves along the length direction of the cross beam until the lifting hook is right opposite to the marking line below the cross beam, the symmetrical plane parallel to the in-out direction of the civil air defense door in the lifting hook and the symmetrical plane parallel to the in-out direction of the civil air defense door in the doorframe are located in the same plane, and the door leaf can be smoothly installed on the doorframe through the lifting hook.

The utility model discloses further set up to, the guide rail is all installed to the lateral wall around its both ends to the crossbeam, first installation department with the second installation department is in the equal rotatory installation of lateral wall is used for supporting around the through-hole that slides the supporting roller of guide rail.

Through adopting above-mentioned technical scheme, the crossbeam slides through the cooperation of guide rail and supporting roller and installs on first stand and second stand for the sliding of crossbeam is more smooth and easy.

The utility model discloses further set up to, first installation department with the second installation department is in on the lateral wall around the through-hole that slides the quantity of supporting roller is all not less than two.

Through adopting above-mentioned technical scheme, supporting rollers is used for supporting the crossbeam, and the increase of supporting rollers's quantity helps promoting the supporting effect to the crossbeam for the crossbeam slides on first stand and second stand more steadily.

The utility model discloses further set up to, the roof screw thread of second installation department installs vertical running through the locking bolt of second installation department roof, the crossbeam with the roof of second installation department complex one end is equipped with the locking spout that is on a parallel with the crossbeam, a plurality of locking grooves have been arranged along its length direction to the bottom surface of locking spout, locking bolt's tip can insert locking inslot.

Through adopting above-mentioned technical scheme, after the position adjustment of crossbeam finishes, can be through rotatory locking bolt for locking bolt's tip inserts the locking inslot, thereby realizes the locking to the crossbeam, can reduce the probability that the in-process crossbeam that uses above-mentioned hook assembly hoist and mount door leaf takes place to remove.

The utility model discloses further set up as, rotatory handle is still installed at the top of locking bolt.

Through adopting above-mentioned technical scheme, the user can be through handheld rotatory handle rotation locking bolt, does not need the supplementary rotation locking bolt of other instruments.

The utility model discloses further set up to, still including supplying first stand with second column mouting's bottom plate, the door frame is installed towards to the bottom plate one side of lateral wall still has the locating plate, the door frame is installed towards to the locating plate to the locating surface the side of lateral wall.

Through adopting above-mentioned technical scheme, first stand and second stand are installed on the bottom plate, can promote hook assembly's the stability of placing on subaerial.

The utility model discloses further set up to, the locating plate is in the blotter has been laid to the locating surface.

Through adopting above-mentioned technical scheme, arranging of blotter can reduce and take place the probability of damage at the in-process locating plate that uses fork truck top to move hook assembly and lateral wall.

The utility model discloses further set up as, the bottom plate is equipped with on its top surface and is on a parallel with bottom plate width direction and bilateral symmetry's two insert the frame.

Through adopting above-mentioned technical scheme, the setting of inserting the frame can make things convenient for fork truck to remove hook assembly, promotes fork truck and transports hook assembly's stability.

The utility model discloses further set up to, first stand and second stand are equipped with the butt joint piece at the lateral wall of door frame dorsad.

Through adopting above-mentioned technical scheme, the setting of butt piece is that supply fork truck to carry out the butt, can reduce fork truck and take place to damage first stand or second stand when top moves hook assembly, helps prolonging hook assembly's life.

The utility model discloses further set up to, square notch has still been seted up at the middle part on its topside to the locating plate, square notch's length is not less than 150cm, square notch's base height is not more than 20 cm.

Through adopting above-mentioned technical scheme, the injecing of direction breach can avoid the interference that the in-process locating plate that hoists the door leaf caused the door leaf in the locating plate.

To sum up, the utility model discloses following beneficial effect has:

1. a lifting hook device for hoisting a civil air defense door comprises a first upright post, a second upright post, a cross beam and a positioning surface, wherein the bottom of the cross beam is provided with a lifting hook, and a symmetrical surface parallel to the inlet and outlet directions of the civil air defense door of the lifting hook are positioned in the same plane through the attachment of the positioning surface and a side wall provided with a door frame and the sliding of the cross beam along the length direction of the cross beam, so that a door leaf can be smoothly installed on the door frame through the lifting hook;

2. the guide rails are arranged on the front side wall and the rear side wall of the two ends of the cross beam, and the supporting rollers are arranged on the front inner side wall and the rear inner side wall of the first mounting part and the second mounting part, so that the cross beam is mounted on the tops of the first upright post and the second upright post in a sliding manner, and the cross beam is stable in sliding by the structure;

3. through set up locking bolt on the second installation department, the crossbeam is equipped with the locking spout and the locking groove that correspond with locking bolt, through the cooperation of locking bolt and locking groove to realize the locking of crossbeam, reduced the probability that the removal takes place at the in-process crossbeam of hoist and mount door leaf.

Drawings

FIG. 1 is a schematic view of the position of a prior art hook and doorframe;

fig. 2 is a schematic front structural view of a hook device for hoisting a civil air defense door in the application of the present invention;

fig. 3 is a back structural schematic view of a hook device for hoisting a civil air defense door in the application of the present invention;

fig. 4 is a schematic structural view of the lifting hook device for hoisting the civil air defense door, which is not provided with the beam;

fig. 5 is a schematic structural view of a cross beam in the application of the present invention;

fig. 6 is a schematic view of the cross beam and the driving mechanism according to the present invention;

fig. 7 is a cooperation schematic diagram of the locking bolt installed in the second installation part and the locking chute of the cross beam in the application of the present invention.

In the figure: 1. a base plate; 11. positioning a plate; 111. a square notch; 112. positioning the surface; 113. a cushion pad; 12. inserting a frame; 21. a first upright post; 211. a first mounting portion; 22. a second upright post; 221. a second mounting portion; 23. a slip through hole; 24. supporting the rollers; 3. a cross beam; 31. a guide rail; 32. locking the chute; 321. locking the convex teeth; 322. a locking groove; 41. a drive motor; 42. a drive gear; 43. a drive rack; 5. a locking bolt; 51. a locking head; 52. rotating the handle; 6. a hook; 71. a plumb line; 72. and a weight.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 2, a hook device for hoisting a civil air defense door comprises a bottom plate 1, a first upright post 21, a second upright post 22 and a cross beam 3.

The bottom plate 1 is a rectangular metal steel plate. In the present embodiment, the thickness of the base plate 1 is 1 cm. The first upright post 21 and the second upright post 22 are symmetrically arranged on the top surface of the bottom plate 1 and are perpendicular to the bottom plate 1.

Referring to fig. 3, the base plate 1 is further provided with a positioning plate 11 perpendicular to the top surface of the base plate 1 at a side facing the side wall where the door frame is installed. The length of the positioning plate 11 is consistent with that of the bottom plate 1, and the height of the positioning plate 11 is 50 cm. The positioning plate 11 has a square notch 111 formed in the middle of the top edge thereof, the length of the square notch 111 is not less than 150cm, and when the bottom plate 1 is placed on the ground, the height of the bottom edge of the square notch 111 is not more than 20 cm.

Wherein, the side of the positioning plate 11 facing the side wall mounted with the door frame is a positioning surface 112, and a layer of cushion 113 is laid on the positioning surface 112 of the positioning plate 11.

The bottom plate 1 is further provided with two insertion frames 12 arranged in bilateral symmetry on the top surface thereof. The two insertion frames 12 are parallel to the width direction of the base plate 1, and have channels parallel to the width direction of the base plate 1 and into which the insertion teeth of the forklift are inserted.

Referring to fig. 4, the first upright 21 and the second upright 22 are both hollow square uprights. First mounting portion 211 is provided at the top end of first column 21, and second mounting portion 221 is provided at the top end of second column 22. The first mounting portion 211 and the second mounting portion 221 are both square frames and have slide through holes 23 penetrating through the left and right end faces thereof. The cross section of the slip through hole 23 is also square.

The supporting rollers 24 are rotatably mounted on the front and rear inner walls of the sliding through hole 23 by the first mounting portion 211 and the second mounting portion 221, and the number of the supporting rollers 24 on the front and rear inner walls of the sliding through hole 23 by the first mounting portion 211 and the second mounting portion 221 is not less than two. In the present embodiment, the number of the supporting rollers 24 of the first and second mounting

parts

211 and 221 on the front and rear inner walls of the slip through-hole 23 is three.

Referring to fig. 4 and 5, the cross beam 3 is a hollow metal cross beam with a square cross section. The cross beam 3 passes through the sliding through hole 23 of the first mounting part 211 and the sliding through hole 23 of the second mounting part 221 and is horizontally mounted on the top ends of the first upright post 21 and the second upright post 22, wherein, after the cross beam 3 is mounted on the first mounting part 211 and the second mounting part 221, the cross beam 3 is parallel to the side wall and the horizontal plane on which the door frame is mounted.

The front and rear side walls of the cross beam 3 are provided with guide rails 31 along the length direction thereof, which are engaged with the support rollers 24. Wherein the guide rail 31 is fixed to the metal cross member 3 by a plurality of bolts.

Referring to fig. 2 and 6, the first upright post 21 is further provided with a driving mechanism for driving the cross beam 3 to slide back and forth along the length direction of the cross beam 3. The drive mechanism includes a drive motor 41, a drive gear 42 and a drive rack 43.

The driving motor 41 is mounted on the top of the first mounting portion 211, and an output shaft of the driving motor 41 vertically penetrates through a top wall of the first mounting portion 211. The drive gear 42 is mounted to an output shaft of the drive motor 41 such that the drive gear 42 can horizontally rotate. The driving rack 43 is fixed on the top of the beam 3 and meshed with the driving gear 42, and the driving rack 43 is parallel to the length direction of the beam 3.

In the present embodiment, the driving motor 41 is a servo motor, and the movement of the beam 3 on the first mounting portion 211 and the second mounting portion 221 can be realized by the normal rotation and the reverse rotation of the driving motor 41.

Referring to fig. 2 and 7, a locking bolt 5 vertically penetrating through the top wall of the second mounting portion 221 is threadedly mounted to the top wall of the second mounting portion 221. The bottom of the locking bolt 5 has a locking head 51. The cross member 3 is provided with a lock chute 32 corresponding to the lock bolt 5 on a top wall of one end thereof engaged with the second mounting portion 221. The locking slide groove 32 is parallel to the length direction of the cross beam 3, locking convex teeth 321 are arranged on the bottom surface of the locking slide groove 32 in parallel along the length direction, and a locking groove 322 for inserting the locking head 51 of the locking bolt 5 is formed between the adjacent locking convex teeth 321. The locking bolt 5 and the locking groove 322 are matched to lock the cross beam 3, so that the probability of slippage of the cross beam 3 in the process of lifting the door leaf by the lifting hook device is reduced.

In order to facilitate the rotation of the locking bolt 5 by the user, the top of the locking bolt 5 is also provided with a rotation knob 52.

Referring to fig. 2, the middle part of the cross beam 3 is further provided with a hook 6, and the hook 6 is welded and fixed at the bottom of the cross beam 3. In the present embodiment, the hook 6 is welded and fixed to the bottom of the cross member 3 after the cross member 3 is mounted to the first mounting portion 211 and the second mounting portion 221.

Wherein, the beam 3 is also provided with a weight line 71 on the hook 6. The top end of the weight line 71 is bound on the hook 6, the bottom end of the weight line 71 is bound with a weight 72, and the weight 72 is in an inverted cone shape.

The installation steps of the lifting hook device for hoisting the civil air defense door in front of the civil air defense door frame are as follows:

1. moving the hook device to the front of the door frame of the civil air defense door by using a forklift so that the first upright post 21 and the second upright post 22 are respectively positioned at two sides of the door frame;

2. the contact block of the first upright post 21 or the contact block of the second upright post 22 is pushed by the gear shaping of the forklift to move the hook device, so that the positioning surface 112 of the hook device is attached to the side wall provided with the door frame;

3. marking a marking line on a symmetrical surface of the doorframe parallel to the access direction of the civil air defense door on the bottom plate 1;

4. the weight line 71 is bound on the lifting hook 6, the position of the cross beam 3 is adjusted through the driving motor 41, so that the cross beam 3 horizontally moves along the length direction of the cross beam 3, until the tip of the weight 72 on the weight line 71 points to the marked marking line, and at the moment, a symmetrical plane parallel to the access direction of the civil air defense door in the lifting hook 6 and a symmetrical plane parallel to the access direction of the civil air defense door in the doorframe are positioned in the same plane.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a hook assembly for people's air defense door hoist and mount, includes first stand (21), second stand (22) and crossbeam (3), the bottom of crossbeam (3) is equipped with lifting hook (6), its characterized in that, still including locating surface (112) that the lateral wall that is used for and installs the door frame was laminated, the top of first stand (21) have with crossbeam (3) one end complex first installation department (211), the top of second stand (22) have with the other end complex second installation department (221) of crossbeam (3), first installation department (211) and second installation department (221) all have the slip through-hole (23) that supplies crossbeam (3) slide, driving motor (41) are installed to the top of first installation department (211), the output shaft of driving motor (41) vertically runs through the roof of first installation department (211), the output shaft of the driving motor (41) is further provided with a driving gear (42) which is positioned in the sliding through hole (23) and can rotate horizontally, and the top of the cross beam (3) is provided with a driving rack (43) which is matched with the driving gear (42) and is parallel to the cross beam (3).

2. A lifting hook device for hoisting a civil air defense door according to claim 1, characterized in that the front and back side walls of the cross beam (3) at both ends are provided with guide rails (31), and the front and back side walls of the sliding through hole (23) are provided with supporting rollers (24) for supporting the guide rails (31) in a rotating way by the first installation part (211) and the second installation part (221).

3. A lifting hook device for hoisting a civil air defense door as claimed in claim 2, characterized in that the number of the supporting rollers (24) of the first installation part (211) and the second installation part (221) on the front and rear side walls of the sliding through hole (23) is not less than two.

4. A lifting hook device for hoisting a civil air defense door according to claim 2, characterized in that the top wall of the second installation part (221) is threaded with a locking bolt (5) which vertically penetrates through the top wall of the second installation part (221), the cross beam (3) is provided with a locking chute (32) which is parallel to the cross beam (3) at the top wall of one end matched with the second installation part (221), the bottom surface of the locking chute (32) is provided with a plurality of locking grooves (322) along the length direction thereof, and the end part of the locking bolt (5) can be inserted into the locking grooves (322).

5. A lifting hook device for lifting civil air defense doors according to claim 4, characterized in that the top of the locking bolt (5) is also fitted with a turning handle (52).

6. A lifting hook device for hoisting a civil air defense door as claimed in claim 1, further comprising a bottom plate (1) for mounting the first upright (21) and the second upright (22), wherein the bottom plate (1) is further provided with a positioning plate (11) at the side facing the side wall where the door frame is installed, and the positioning surface (112) is the side of the positioning plate (11) facing the side wall where the door frame is installed.

7. A lifting hook device for lifting civil air defense doors according to claim 6, characterized in that the positioning plate (11) is provided with a cushion (113) on the positioning surface (112).

8. A lifting hook device for hoisting a civil air defense door as claimed in claim 6, characterized in that the bottom plate (1) is provided at its top surface with two insertion frames (12) parallel to the width direction of the bottom plate (1) and arranged in bilateral symmetry.

9. A lifting hook device for lifting civil air defense doors, as claimed in claim 8, characterized in that the first upright (21) and the second upright (22) are provided with abutment blocks at the side walls facing away from the door frame.

10. A lifting hook device for hoisting a civil air defense door as claimed in claim 6, wherein the positioning plate (11) is further provided with a square notch (111) at the middle of the top edge thereof, the length of the square notch (111) is not less than 150cm, and the height of the bottom edge of the square notch (111) is not more than 20 cm.