CN214989859U

CN214989859U - Crane head limiting and protecting device

Info

Publication number: CN214989859U
Application number: CN202121493793.7U
Authority: CN
Inventors: 宋均
Original assignee: Shenzhen Yueruntong Hoisting Transportation Co ltd
Current assignee: Shenzhen Yueruntong Hoisting Transportation Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2021-12-03
Anticipated expiration: 2031-07-01

Abstract

The application discloses spacing protector of crane locomotive, including installing the support frame on the crane automobile body, stop gear is all installed to support frame top surface both sides, and every stop gear all includes to support tight piece and drive assembly, and two drive assemblies are installed respectively in support frame top surface both sides, and two drive assemblies drive respectively two and support the piece and remove to make two support the piece respectively with davit both sides looks butt. This application can make the davit be difficult for taking place to rock at the crane in-process that traveles, makes the locomotive be difficult for bumping with the davit to make the locomotive can obtain the protection.

Description

Crane head limiting and protecting device

Technical Field

The application relates to the technical field of cranes, in particular to a crane headstock limiting and protecting device.

Background

The crane is a common name of a crane, and the crane is one of hoisting machines and is a machine which does circulating and intermittent motion. One duty cycle includes: the fetching device lifts the object from the fetching place, then moves horizontally to the appointed place to lower the object, and then carries out reverse movement to return the fetching device to the original position for carrying out the next circulation.

The crane is usually moved to a designated work site for work before the hoisting work is performed. During crane travel, the boom is typically retracted and supported on a support frame mounted on the crane body in order to provide better support for the boom.

However, the boom after being contracted is still long, so that the crane is easy to shake in the running process, and the swinging boom is easy to collide with the locomotive, so that the locomotive is easy to damage. Therefore, further improvements can be made.

SUMMERY OF THE UTILITY MODEL

In order to make the crane be difficult for taking place to rock at the in-process that traveles, make the davit be difficult for bumping with the locomotive, this application provides a spacing protector of crane locomotive.

The application provides a pair of crane locomotive limit protection device adopts following technical scheme:

the utility model provides a spacing protector of crane locomotive, is including installing the support frame on the crane automobile body, stop gear, every are all installed to support frame top surface both sides stop gear all includes to tight piece and drive assembly, two drive assembly installs respectively in support frame top surface both sides, and two drive assembly drives two respectively and supports the piece and remove, so that two support the piece respectively with davit both sides looks butt.

By adopting the technical scheme, when the suspension arm is supported on the top surface of the support frame, a worker can drive the two abutting pieces to abut against the two sides of the suspension arm by controlling the two driving assemblies, so that the suspension arm is not easy to shake in the traveling process of the crane, and the head is not easy to collide with the suspension arm, so that the head is not easy to damage, and the head can be protected.

Optionally, each driving assembly comprises a mounting seat mounted on the top surface of the support frame, a lead screw in threaded connection with the mounting seat, and a rotating portion, one end of the lead screw is fixedly connected with the abutting piece, and the other end of the lead screw is fixedly connected with the rotating portion.

By adopting the technical scheme, when the suspension arm is supported on the top surface of the support frame, a worker can enable the two lead screws to respectively push the two abutting pieces to abut against the two sides of the suspension arm by rotating the two rotating parts, so that the suspension arm is not easy to shake in the traveling process of the crane, the head of the crane is not easy to collide with the suspension arm, the head of the crane is not easy to damage, and the head of the crane can be protected.

Optionally, each rotating portion comprises a rotating wheel fixedly connected with the screw rod and a rotating handle eccentrically arranged on the rotating wheel, and the rotating handle and one end, far away from the screw rod, of the rotating wheel are rotatably connected.

Through adopting above-mentioned technical scheme, when the davit supported in the carriage top surface, the workman can rotate the lead screw through rocking the twist grip, makes two lead screws can promote respectively that two are supported the piece and are supported tightly with davit both sides.

Optionally, every drive assembly all includes the motor of installing in the carriage top surface, installs in the gear on the motor output shaft and the rack that meshes mutually with the gear, rack and support tight piece fixed connection, the straight line spout that extends along its length direction is seted up to the carriage top surface, every support the piece and all include sliding part and support tight part, sliding part slides and sets up in the straight line spout.

By adopting the technical scheme, when the suspension arm is supported on the top surface of the support frame, a worker drives the gears through the motor, the two gears respectively drive the two racks, the abutting pieces fixedly connected with the two racks can slide in the linear sliding grooves, the two abutting pieces can respectively abut against the two sides of the suspension arm, the suspension arm is not easy to shake in the running process of the crane, the head of the crane is not easy to collide with the suspension arm, so that the head of the crane is not easy to damage, and the head of the crane can be protected.

Optionally, the motor and the gear periphery cover are provided with a protective cover, and avoiding holes for avoiding rack movement are formed in the two sides of the protective cover.

Through adopting above-mentioned technical scheme, can make external gravel and sand be difficult for the joint at gear and rack mesh position mutually to make drive assembly can normally work, can reduce liquid such as rainwater simultaneously and get into the motor, make the motor be difficult for breaking down.

Optionally, each abutting piece comprises a abutting plate and a cushion pad arranged on the abutting plate, and two ends, far away from the abutting plate, of the cushion pads are respectively abutted against two sides of the suspension arm.

Through adopting above-mentioned technical scheme, when the davit takes place to rock about, the blotter can reduce the davit to the impact force of propping tight board, makes to prop tight piece and is difficult to damaged.

Optionally, be equipped with vertical retaining member on the support frame, the vertical retaining member of telling includes the riser of vertical fixation in support frame top surface and keeps away from the diaphragm that support frame one end was rotated and is connected with the riser, threaded connection has locking screw on the diaphragm, locking screw and riser outer wall looks butt.

Through adopting above-mentioned technical scheme, when the diaphragm rotated to with davit top surface looks butt position, the workman can be through screwing up locking screw and fix the diaphragm, make the diaphragm be difficult for independently taking place relative rotation with the riser, make vertical retaining member can lock the davit better, make the davit be difficult for taking place to rock from top to bottom, can reduce the impact force of davit to support frame and automobile body to make the crane can stably travel.

Optionally, the support frame includes backup pad and two supporting legss that are fixed in backup pad bottom surface both sides respectively, every the supporting legs is kept away from backup pad one end and all is connected with automobile body fixed connection, and every all be equipped with at least one reinforcing floor on the supporting legs, reinforcing floor one end and supporting legs fixed connection, the other end and automobile body fixed connection.

Through adopting above-mentioned technical scheme, be equipped with the reinforcement floor on the supporting legs, can strengthen the support intensity of support frame, make the spacing protector structure of crane locomotive more stable.

In summary, the present application includes at least one of the following beneficial technical effects:

the suspension arm is not easy to shake in the running process of the crane, so that the vehicle head is not easy to collide with the suspension arm, and the vehicle head can be protected;

when the suspension arm is supported on the top surface of the support frame, a worker can rotate the screw rods by swinging the rotating handle, so that the two screw rods can respectively push the two abutting pieces to abut against the two sides of the suspension arm;

the workman can pass through motor drive gear, makes two gears drive two racks respectively, makes and can slide in sharp spout with two rack fixed connection's the tight piece that supports to make two to support the tight piece and can offset tightly with davit both sides respectively.

Drawings

Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present application.

Fig. 2 is an enlarged schematic view of a portion a of fig. 1.

Fig. 3 is a schematic view of the overall structure of embodiment 2 of the present application.

Fig. 4 is a schematic sectional structure view of a crane nose limit protection device in embodiment 2 of the present application.

Description of reference numerals:

1. a support frame; 11. a support plate; 12. supporting legs; 2. a limiting mechanism; 21. an abutting piece; 211. a propping plate; 212. a cushion pad; 213. a sliding part; 214. a tightening part; 22. a drive assembly; 221. a mounting seat; 222. a screw rod; 223. a rotating part; 2231. a rotating wheel; 2232. rotating the handle; 224. a motor; 225. a gear; 226. a rack; 3. a vertical locking member; 31. a vertical plate; 311. a main body plate; 312. a connecting seat; 3121. rotating the hole; 32. a transverse plate; 321. a baffle plate; 322. a rotating shaft; 4. reinforcing the ribbed plate; 5. a linear chute; 6. a protective cover; 61. avoiding holes; 100. a vehicle body; 200. a headstock; 300. and a suspension arm.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses spacing protector of crane locomotive.

Example 1:

referring to fig. 1, the crane headstock limiting and protecting device comprises a support frame 1 and two limiting mechanisms 2, wherein the support frame 1 is installed on a vehicle body 100, the support frame 1 is positioned on the right side of a crane headstock 200, and a suspension arm 300 can be supported in the middle of the top surface of the support frame 1; two stop gear 2 install respectively in support frame 1 top surface both sides, namely, two stop gear 2 are located davit 300 both sides respectively. Wherein, every stop gear 2 all includes and supports piece 21 and drive assembly 22, and two drive assembly 22 install respectively in 1 top surface both sides of support frame, and every supports piece 21 and all sets firmly in corresponding drive assembly 22 and is close to davit 300 one end to drive assembly 22 can drive and support piece 21 and move along being close to/keeping away from davit 300 direction.

When the suspension arm 300 is supported on the top surface of the support frame 1, a worker can drive the two driving assemblies 22 to drive the two abutting pieces 21 to move along the direction close to the suspension arm 300 by controlling the two driving assemblies 22, so that the two abutting pieces 21 abut against the two sides of the suspension arm 300 respectively, the suspension arm 300 is not easy to shake in the running process of the crane, the locomotive 200 is not easy to collide with the suspension arm 300, the locomotive 200 is not easy to damage, and the locomotive 200 can be protected.

Referring to fig. 2, in the present embodiment, each driving assembly 22 includes a mounting seat 221, a lead screw 222, and a rotating portion 223, two mounting seats 221 are respectively and vertically mounted on two sides of the top surface of the supporting frame 1, two mounting seats 221 are respectively provided with a threaded hole adapted to the lead screw 222, two threaded holes respectively penetrate through two ends of the corresponding mounting seat 221, and the two threaded holes are oppositely disposed, two lead screws 222 are respectively and threadedly connected to the corresponding threaded holes, one end of each lead screw 222 close to the suspension arm 300 is respectively and fixedly connected to the corresponding abutting member 21, and one end of each lead screw 222 far away from the suspension arm 300 is respectively and fixedly connected to the corresponding rotating portion 223.

When the suspension arm 300 is supported on the top surface of the support frame 1, a worker can make the two lead screws 222 respectively push the two abutting pieces 21 to abut against the two sides of the suspension arm 300 by rotating the two rotating portions 223, so that the suspension arm 300 is not easy to shake in the traveling process of the crane, the vehicle head 200 is not easy to collide with the suspension arm 300, the vehicle head 200 is not easy to damage, and the vehicle head 200 can be protected.

In the present embodiment, each rotating portion 223 includes a rotating wheel 2231 and a rotating handle 2232 having a cylindrical shape, each rotating wheel 2231 is fixedly connected to the corresponding screw rod 222, and each rotating wheel 2231 is coaxially disposed with the corresponding screw rod 222; each rotating handle 2232 is vertically arranged on the side of the corresponding rotating wheel 2231 away from the screw rod 222, each rotating handle 2232 is eccentrically arranged with the corresponding rotating wheel 2231, and each rotating handle 2232 is rotatably connected with the corresponding rotating wheel 2231, so that a worker can rotate the screw rod 222 through the rotating handle 2232.

When the boom 300 is supported on the top surface of the support frame 1, a worker can rotate the lead screw 222 by swinging the rotating handle 2232, so that the two lead screws 222 can respectively push the two abutting members 21 to abut against the two sides of the boom 300.

In this embodiment, each of the abutting members 21 includes an abutting plate 211 and a cushion 212, the two abutting plates 211 are respectively fixedly connected to one ends of the two lead screws 222 close to the suspension arm 300, and the two cushions 212 are respectively fixed to one sides of the two abutting plates 211 departing from the lead screws 222. When the suspension arm 300 shakes left and right, the cushion pad 212 can reduce the impact force of the suspension arm 300 on the abutting plate 211, so that the abutting piece 21 is not easily damaged.

In order to make the suspension arm 300 not easy to shake up and down, in this embodiment, the top surface of the support frame 1 is provided with a vertical locking member 3, the vertical locking member 3 includes a vertical plate 31 and a horizontal plate 32, wherein the vertical plate 31 includes a main body plate 311 and two connecting seats 312, the main body plate 311 is vertically fixed on the vehicle body 100, the two connecting seats 312 are respectively installed on two sides of the top surface of the main body plate 311, the two connecting seats 312 are both provided with rotating holes 3121, and the two rotating holes 3121 are oppositely arranged; diaphragm 32 includes baffle 321 and two axis of rotation 322, two axis of rotation 322 are installed respectively in baffle 321 both sides, and two axis of rotation 322 external diameters all coincide with rotation hole 3121 aperture, make two axis of rotation 322 can rotate with two connecting seats 312 through two rotation holes 3121 respectively and be connected, threaded hole has all been seted up to every connecting seat 312 side, threaded hole intercommunication rotation hole 3121, and threaded hole female connection has locking screw, through screwing up locking screw, can make locking screw and axis of rotation 322 outer wall looks butt.

When the transverse plate 32 rotates to the position abutting against the top surface of the suspension arm 300, a worker can fix the transverse plate 32 by screwing the locking screw, so that the transverse plate 32 is not easy to rotate relative to the vertical plate 31, the suspension arm 300 can be locked well by the vertical locking piece 3, the suspension arm 300 is not easy to shake up and down, the impact force of the suspension arm 300 on the support frame 1 and the vehicle body 100 can be reduced, and the crane can stably run.

Referring to fig. 1 and 2, in the present embodiment, the supporting frame 1 includes a supporting plate 11 and two supporting legs 12, the two supporting legs 12 are respectively and vertically fixed on two sides of the bottom surface of the supporting plate 11, and one end of each supporting leg 12, which is far away from the supporting plate 11, is fixedly connected to the vehicle body 100. All be equipped with two reinforcing rib plate 4 on every supporting

legs

12, 4 one ends of every reinforcing rib plate all with corresponding supporting legs 12 fixed connection, the other end all with automobile body 100 fixed connection, can strengthen the support intensity of support frame 1, make the spacing protector structure of crane locomotive more stable.

The implementation principle of the embodiment 1 is as follows: when the suspension arm 300 is supported on the top surface of the support frame 1, a worker can make the two lead screws 222 respectively push the two abutting pieces 21 to abut against the two sides of the suspension arm 300 by rotating the two rotating portions 223, so that the suspension arm 300 is not easy to shake in the traveling process of the crane, the vehicle head 200 is not easy to collide with the suspension arm 300, the vehicle head 200 is not easy to damage, and the vehicle head 200 can be protected.

Example 2:

referring to fig. 3 and 4, the difference between the present embodiment and embodiment 1 is that the top surface of the supporting frame 1 is provided with a linear sliding slot 5 extending along the length direction thereof, the fastening member 21 includes a sliding portion 213 and a fastening portion 214, the fastening portion 214 is fixedly connected with the sliding portion 213, and the sliding portion 213 is slidably fitted with the linear sliding slot 5, so that the sliding portion 213 can slide in the linear sliding slot 5; each driving assembly 22 includes a motor 224, a gear 225 and a rack 226, wherein the motor 224 is mounted on the top surface of the supporting frame 1, the gear 225 is fixedly connected with the output shaft of the motor 224, the rack 226 is engaged with the gear 225, the rack 226 is parallel to the top surface of the supporting frame 1, and one end of each of the two racks 226 near the suspension arm 300 is respectively and fixedly connected with the corresponding abutting portion 214.

When the suspension arm 300 is supported on the top surface of the support frame 1, a worker drives the two gears 225 through the motor 224, the two gears 225 drive the two racks 226, so that the abutting pieces 21 fixedly connected with the two racks 226 can slide in the linear sliding grooves 5, and the two abutting pieces 21 can abut against the two sides of the suspension arm 300 respectively, so that the suspension arm 300 is not easy to shake in the running process of the crane, the head 200 is not easy to collide with the suspension arm 300, the head 200 is not easy to damage, and the head 200 can be protected.

Referring to fig. 4, in the present embodiment, the protective cover 6 is provided on the supporting frame 1, and the inner contour of the protective cover 6 is larger than the outer contours of the motor 224 and the gear 225, so that the protective cover 6 can be simultaneously covered on the outer peripheries of the motor 224 and the gear 225. Avoidance holes 61 are formed in the positions, corresponding to the racks 226, of two sides of the protective cover 6, the inner contour of each avoidance hole 61 is larger than the cross section contour of the rack 226, and the racks 226 can penetrate the avoidance holes 61 to move linearly.

Through setting up protection casing 6, can make the difficult joint of external gravel and sand at gear 225 and rack 226 mesh position mutually to make drive assembly 22 can normally work, can reduce liquid such as rainwater simultaneously and get into motor 224, make motor 224 be difficult for breaking down.

The implementation principle of the embodiment 2 is as follows: when the suspension arm 300 is supported on the top surface of the support frame 1, a worker drives the two gears 225 through the motor 224, the two gears 225 drive the two racks 226, so that the abutting pieces 21 fixedly connected with the two racks 226 can slide in the linear sliding grooves 5, and the two abutting pieces 21 can abut against the two sides of the suspension arm 300 respectively, so that the suspension arm 300 is not easy to shake in the running process of the crane, the head 200 is not easy to collide with the suspension arm 300, the head 200 is not easy to damage, and the head 200 can be protected.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a spacing protector of crane locomotive, is including installing support frame (1) on crane automobile body (100), its characterized in that: stop gear (2), every are all installed to support frame (1) top surface both sides stop gear (2) are all including supporting piece (21) and drive assembly (22), two drive assembly (22) are installed respectively in support frame (1) top surface both sides, and two drive assembly (22) drive respectively two and support piece (21) and remove, so that make two support piece (21) respectively with davit (300) both sides looks butt.

2. The crane headstock limiting and protecting device according to claim 1, wherein: each drive assembly (22) all includes mount pad (221), lead screw (222) and rotation part (223) with mount pad (221) threaded connection on support frame (1) top surface, lead screw (222) one end with support piece (21) fixed connection, the other end and rotation part (223) fixed connection.

3. The crane headstock limiting and protecting device of claim 2, wherein: each rotating part (223) comprises a rotating wheel (2231) fixedly connected with the screw rod (222) and a rotating handle (2232) eccentrically arranged on the rotating wheel (2231), and the rotating handle (2232) and one end, far away from the screw rod (222), of the rotating wheel (2231) are rotatably connected.

4. The crane headstock limiting and protecting device according to claim 1, wherein: every drive assembly (22) all including install in motor (224) of support frame (1) top surface, install in gear (225) on motor (224) output shaft and with gear (225) engaged with rack (226), rack (226) and support piece (21) fixed connection, linear sliding groove (5) that extend along its length direction are seted up to support frame (1) top surface, every support piece (21) all include sliding part (213) and support tight portion (214), sliding part (213) slide and set up in linear sliding groove (5).

5. The crane headstock limiting and protecting device of claim 4, wherein: motor (224) and gear (225) periphery cover are equipped with protection casing (6), hole (61) of dodging that are used for dodging rack (226) motion are all offered to protection casing (6) both sides.

6. The crane headstock limiting and protecting device of claim 2, wherein: each abutting piece (21) comprises an abutting plate (211) and a cushion pad (212) arranged on the abutting plate (211), and one end, far away from the abutting plate (211), of each cushion pad (212) is abutted against two sides of the suspension arm (300).

7. The crane headstock limiting and protecting device according to claim 1, wherein: be equipped with vertical retaining member (3) on support frame (1), the vertical retaining member (3) of telling is including riser (31) of vertical fixation in support frame (1) top surface and keep away from support frame (1) one end with riser (31) and rotate diaphragm (32) of being connected, threaded connection has locking screw on diaphragm (32), locking screw and riser (31) outer wall looks butt.

8. The crane headstock limiting and protecting device according to claim 1, wherein: support frame (1) is fixed in supporting pad (11) bottom surface both sides respectively including backup pad (11) and two supporting legs (12), every backup pad (11) one end is kept away from in supporting leg (12) all with automobile body (100) fixed connection, and every all be equipped with at least one reinforcing floor (4) on supporting leg (12), reinforcing floor (4) one end and supporting leg (12) fixed connection, the other end and automobile body (100) fixed connection.