CN211733678U - Device for professional dismounting and mounting of lorry-mounted crane boom - Google Patents
Device for professional dismounting and mounting of lorry-mounted crane boom Download PDFInfo
- Publication number
- CN211733678U CN211733678U CN202020143831.5U CN202020143831U CN211733678U CN 211733678 U CN211733678 U CN 211733678U CN 202020143831 U CN202020143831 U CN 202020143831U CN 211733678 U CN211733678 U CN 211733678U
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- main frame
- connecting block
- mounting
- hoist
- lorry
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- 238000009434 installation Methods 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 16
- 230000000930 thermomechanical effect Effects 0.000 claims description 2
- 102000001708 Protein Isoforms Human genes 0.000 claims 1
- 108010029485 Protein Isoforms Proteins 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- 238000005253 cladding Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 206010040007 Sense of oppression Diseases 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The utility model discloses a device of professional dismouting lorry crane davit, the diameter that aims at solving the jib loading boom is less, and hoist and mount area just can't carry out an effective spacing problem to jib loading boom B with the main frame. The key points of the technical scheme are as follows: the utility model provides a device of professional dismouting lorry crane davit, including the main frame, the top of main frame is provided with a plurality of hoisting points, the bottom of main frame is provided with an at least hoist and mount area, hoist and mount area's one end and main frame fixed connection, hoist and mount area's the other end passes through fixing device and is connected with the main frame, fixing device includes the connecting block, the installation piece, logical groove has been seted up on the connecting block, the connecting block utilizes logical groove and hoist and mount area sliding connection, and be equipped with the fixed knot who is used for fixed hoist and mount area on the connecting block and take, the connecting block. The utility model discloses a fixing device's setting when will hoist and mount area and main frame are connected, realizes the regulation of hoist and mount area length to this jib loading boom that adapts to various diameters.
Description
Technical Field
The utility model relates to an engineering machine tool technical field, more specifically say, it relates to a device of professional dismouting lorry crane davit.
Background
The large-tonnage crane has the advantages that the whole vehicle is too heavy, so that the load of each bridge exceeds the national specified load limit, part of the arm sections need to be detached for independent transportation in the transportation process of the crane, and therefore an auxiliary device is needed to improve the dismounting efficiency during dismounting.
An all-terrain crane boom dismounting auxiliary device disclosed in Chinese patent with publication number CN203765246U comprises a main frame, wherein the top of the main frame is provided with a plurality of hoisting points, the bottom of the main frame is provided with at least one hoisting belt, one end of the hoisting belt is fixedly connected with the main frame, and the other end of the hoisting belt is connected with the main frame through a detachable device; the main frame and the hoisting belt coat and fix the crane boom at the gravity center position of the crane boom together. This scheme unties the hoist and mount area through detachable device and is connected with the main frame, takes the focus position cladding of jib loading boom between main frame and hoist and mount, then takes the hoist and mount to be connected with the main frame through detachable device again, can adopt the hoist to hoist.
Above-mentioned scheme is at the in-process that uses, need untie the hoist and mount area through detachable device earlier and be connected between the main frame, the centre of gravity position cladding with jib loading boom B is between main frame and hoist and mount area, then take and be connected with the main frame through detachable device with hoist and mount, however because the length in hoist and mount area can't be adjusted, when the centre of gravity position cladding with jib loading boom B is between main frame and hoist and mount area, if the diameter of jib loading boom is less, hoist and mount area just can't carry out an effectual spacing to jib loading boom B with the main frame, consequently, need provide a new scheme and solve this problem.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a device of professional dismouting lorry crane davit through fixing device's setting, when taking the hoist and mount to be connected with the main frame, realizes the regulation of hoist and mount area length to this jib loading boom that adapts to various diameters.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a device of specialty dismouting lorry crane davit, includes the main frame, the top of main frame is provided with a plurality of hoisting points, the bottom of main frame is provided with an at least hoisting belt, its characterized in that: the one end in hoist and mount area with main frame fixed connection, the other end in hoist and mount area passes through fixing device and is connected with the main frame, fixing device includes connecting block, installation piece, logical groove has been seted up on the connecting block, the connecting block utilizes logical groove and hoist and mount area sliding connection, just be equipped with the fixed knot who is used for fixed hoist and mount area on the connecting block and take, fixedly connected with lug on the lateral wall of connecting block orientation main frame one side, installation piece and main frame fixed connection, be equipped with the recess that uses with the lug cooperation on the installation piece, be equipped with the locking device who is used for lug and recess locking on the installation piece.
Through adopting above-mentioned technical scheme, owing to seted up logical groove on the connecting block, and the connecting block takes sliding connection through logical groove and hoist and mount, consequently can sliding connection piece in order to adjust the position of hoist and mount area upper junction block, utilize fixed knot to take fixed back with hoist and mount, place the jib loading boom between main frame and hoist and mount area, and insert the recess on the installation piece with the protrusion on the connecting block, utilize locking device to lock lug and recess after that, with this with hoist and mount area and main frame connection, thereby realize the regulation of hoist and mount area length, with this jib loading boom that adapts to various diameters.
The utility model discloses further set up to: the locking device comprises a first threaded hole formed in the side wall of the convex block and a second threaded hole formed in the side wall of the mounting block, the second threaded hole is communicated with the groove, the second threaded hole is identical to the first threaded hole in size and shape, a first threaded rod is connected to the second threaded hole in a threaded mode, and one end, far away from the second threaded hole, of the first threaded rod is located outside all the time.
Through adopting above-mentioned technical scheme, after inserting the lug in the recess, rotate first threaded rod and make first threaded rod move towards being close to first screw hole one side, until first threaded rod changes over to first screw hole in to this realizes being connected of first threaded rod and first screw hole, thereby reaches the purpose of fixing lug and recess.
The utility model discloses further set up to: the first threaded rod is fixedly connected with a first handle at one end positioned outside.
Through adopting above-mentioned technical scheme, made things convenient for the rotation of first threaded rod.
The utility model discloses further set up to: fixedly connected with spring on the lateral wall of installation piece, the one end and the mutual conflict of first in command that the installation piece was kept away from to the spring.
Through adopting above-mentioned technical scheme, after inserting the lug in the recess, when rotating the first in command and making first threaded rod move towards being close to lug one side, the spring takes place elastic deformation and produces elasticity, props tight first in command and installation piece to it is not hard up to prevent that the connection of the second screw hole on the installation piece and the first threaded rod on the first in command is not hard up.
The utility model discloses further set up to: the spring is subjected to thermomechanical treatment.
By adopting the technical scheme, the deformation strengthening and the heat treatment strengthening of the steel are combined by the deformation heat treatment, so that the strength and the toughness of the steel are further improved, and the service life of the spring is prolonged.
The utility model discloses further set up to: the fixed knot constructs including along the locating hole that hoist and mount area length direction array set up on the hoist and mount area, set up the third screw hole on the connecting block and with third screw hole threaded connection's second threaded rod, the one end fixedly connected with second handle of third screw hole is kept away from to the second threaded rod.
Through adopting above-mentioned technical scheme, after adjusting the position of connecting block, utilize the second handle to rotate the second threaded rod to make the second threaded rod pass the locating hole, with this fixed of realization hoist and mount area and connecting block relative position.
The utility model discloses further set up to: and a sealing ring is arranged on the side wall of the groove.
Through adopting above-mentioned technical scheme, when the lug inserted the inside of recess and contacted with the sealing washer, the sealing washer receives the oppression of lug and contracts, inserts the back in the recess completely at the lug, the sealing washer of shrink can give with lug effort to fastness when improving lug and groove connection.
The utility model discloses further set up to: the side wall of the groove is provided with a placing groove, and the sealing ring is embedded in the placing groove.
Through adopting above-mentioned technical scheme, improved the fastness that the sealing washer was installed on the recess lateral wall to it is more stable when making the sealing washer use.
To sum up, the utility model discloses following beneficial effect has:
through the setting of fixing device, when will hoist and mount area and main frame be connected, realize the regulation of hoist and mount area length to this adapts to the jib loading boom of various diameters.
Drawings
Fig. 1 is a schematic external structural view of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
fig. 3 is an enlarged view of fig. 2 at B.
In the figure: 1. a main frame; 2. a hoisting belt; 3. connecting blocks; 4. mounting blocks; 5. a through groove; 6. a bump; 7. a groove; 8. a first threaded hole; 9. a second threaded hole; 10. a first threaded rod; 11. a first handle; 12. a second handle; 13. a seal ring; 14. a third threaded hole; 15. positioning holes; 16. a second threaded rod.
Detailed Description
In order to make the technical solutions of the present invention better understood, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A device for professional dismounting and mounting of a suspension arm of a lorry-mounted crane is disclosed, as shown in figures 1-3, and comprises a main frame 1, wherein a plurality of hoisting points are arranged at the top of the main frame 1, at least one hoisting belt 2 is arranged at the bottom of the main frame 1, one end of the hoisting belt 2 is fixedly connected with the main frame 1, the other end of the hoisting belt 2 is connected with the main frame 1 through a fixing device, the fixing device comprises a connecting block 3 and a mounting block 4, a through groove 5 is arranged on the connecting block 3, the connecting block 3 is in sliding connection with the hoisting belt 2 through the through groove 5, a fixing structure for fixing the hoisting belt 2 is arranged on the connecting block 3, a bump 6 is fixedly connected on the side wall of the connecting block 3 facing one side of the main frame 1, the mounting block 4 is fixedly connected with the main frame 1, a groove 7 matched with the bump 6 is, the through groove 5 is formed in the connecting block 3, and the connecting block 3 is in sliding connection with the hoisting belt 2 through the through groove 5, so that the connecting block 3 can be slid to adjust the position of the connecting block 3 on the hoisting belt 2, after the hoisting belt 2 is fixed by using the fixing structure, the crane boom is placed between the main frame 1 and the hoisting belt 2, the protrusion on the connecting block 3 is inserted into the groove 7 on the mounting block 4, and then the protrusion 6 and the groove 7 are locked by using the locking device, so that the hoisting belt 2 is connected with the main frame 1, and the length of the hoisting belt 2 is adjusted to adapt to crane booms with various diameters;
the locking device comprises a first threaded hole 8 arranged on the side wall of the convex block 6 and a second threaded hole 9 arranged on the side wall of the mounting block 4, the second threaded hole 9 is communicated with the groove 7, the second threaded hole 9 has the same size and shape as the first threaded hole 8, the second threaded hole 9 is connected with a first threaded rod 10 in a threaded manner, and one end of the first threaded rod 10 far away from the second threaded hole 9 is always positioned outside, after the lug 6 is inserted into the groove 7, the first threaded rod 10 is rotated to move the first threaded rod 10 towards the side close to the first threaded hole 8 until the first threaded rod 10 is rotated into the first threaded hole 8, so that the first threaded rod 10 is connected with the first threaded hole 8, therefore, the purpose of fixing the convex block 6 and the groove 7 is achieved, and the end, positioned outside, of the first threaded rod 10 is fixedly connected with a first handle 11, so that the first threaded rod 10 can rotate conveniently; the spring is fixedly connected to the side wall of the mounting block 4, one end, far away from the mounting block 4, of the spring is abutted against the first handle 11, after the protruding block 6 is inserted into the groove 7, when the first handle 11 is rotated to enable the first threaded rod 10 to move towards one side close to the protruding block 6, the spring is elastically deformed to generate elastic force, the first handle 11 and the mounting block 4 are tightly supported, and therefore connection looseness between the second threaded hole 9 in the mounting block 4 and the first threaded rod 10 in the first handle 11 is prevented, the spring is subjected to deformation heat treatment, and deformation strengthening and heat treatment strengthening of steel are combined through the deformation heat treatment, so that the strength and toughness of the steel are further improved, and the service life of the spring is prolonged;
the fixing structure comprises positioning holes 15 arranged on the hoisting belt 2 in an array mode along the length direction of the hoisting belt 2, third threaded holes 14 formed in the connecting block 3 and second threaded rods 16 in threaded connection with the third threaded holes 14, one ends, far away from the third threaded holes 14, of the second threaded rods 16 are fixedly connected with second handles 12, and after the position of the connecting block 3 is adjusted, the second threaded rods 16 are rotated to enable the second threaded rods 16 to penetrate through the positioning holes 15, so that the relative positions of the hoisting belt 2 and the connecting block 3 are fixed;
be equipped with sealing washer 13 on the lateral wall of recess 7, when lug 6 inserts recess 7's inside and contact with sealing washer 13, sealing washer 13 receives lug 6's oppression and contracts, after lug 6 inserts recess 7 completely, 6 effort of lug can be given to the sealing washer 13 of shrink, thereby improve the fastness when lug 6 is connected with recess 7, the standing groove has been seted up on recess 7's the lateral wall, sealing washer 13 inlays the inside at the standing groove, the fastness that sealing washer 13 was installed on recess 7 lateral wall has been improved, thereby it is more stable when making sealing washer 13 use.
When the utility model is used normally, firstly the connecting block 3 is pushed to move, after the connecting block 3 is moved to a required position, the second threaded rod 16 is rotated by the second handle 12 to pass through the positioning hole 15 on the hoisting belt 2, the relative position of the connecting block 3 and the hoisting belt 2 is fixed, then the cargo boom is placed between the main frame 1 and the hoisting belt 2, and the bulge on the connecting block 3 is inserted into the groove 7 on the mounting block 4, because the first handle 11 is fixedly connected with the first threaded rod 10, the first handle 11 can be rotated to drive the first threaded rod 10 to rotate, so that the first handle 11 can be rotated to make the first threaded rod 10 move towards the side close to the first threaded hole 8 until the first threaded rod 10 is rotated into the first threaded hole 8, thereby realizing the connection of the first threaded rod 10 and the first threaded hole 8, thereby achieving the purpose of fixing the lug 6 and the groove 7, thereby adapting to the crane arms with various diameters.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a device of professional dismouting lorry crane davit, includes main frame (1), the top of main frame (1) is provided with a plurality of hoisting points, the bottom of main frame (1) is provided with at least one hoisting belt (2), its characterized in that: one end of the hoisting belt (2) is fixedly connected with the main frame (1), the other end of the hoisting belt (2) is connected with the main frame (1) through a fixing device, the fixing device comprises a connecting block (3) and a mounting block (4), a through groove (5) is arranged on the connecting block (3), the connecting block (3) is connected with the hoisting belt (2) in a sliding way by a through groove (5), and the connecting block (3) is provided with a fixing structure for fixing the hoisting belt (2), the side wall of the connecting block (3) facing one side of the main frame (1) is fixedly connected with a convex block (6), the mounting block (4) is fixedly connected with the main frame (1), a groove (7) matched with the convex block (6) is arranged on the mounting block (4), and a locking device for locking the convex block (6) and the groove (7) is arranged on the mounting block (4).
2. The device for professional dismounting and mounting of the boom of the lorry-mounted crane according to the claim 1, is characterized in that: locking device is including offering first screw hole (8) on lug (6) lateral wall and offering second screw hole (9) on installation piece (4) lateral wall, second screw hole (9) and recess (7) switch on each other, just second screw hole (9) are unanimous with the big or small looks isoform of first screw hole (8), threaded connection has first threaded rod (10) on second screw hole (9), just the one end that second screw hole (9) were kept away from in first threaded rod (10) is located the external world all the time.
3. The device for professional dismounting and mounting of the boom of the lorry-mounted crane according to the claim 2, is characterized in that: one end of the first threaded rod (10) located outside is fixedly connected with a first handle (11).
4. The device for professional dismounting and mounting of the boom of the lorry-mounted crane according to the claim 3, is characterized in that: fixedly connected with spring on the lateral wall of installation piece (4), the one end and the first in command (11) of installation piece (4) are kept away from to the spring are contradicted each other.
5. The device for professional dismounting and mounting of the boom of the lorry-mounted crane according to the claim 4, is characterized in that: the spring is subjected to thermomechanical treatment.
6. The device for professional dismounting and mounting of the boom of the lorry-mounted crane according to the claim 1, is characterized in that: the fixed knot constructs including hoisting area (2) go up along hoisting area (2) length direction array set up locating hole (15), set up third screw hole (14) on connecting block (3) and with third screw hole (14) threaded connection's second threaded rod (16), one end fixedly connected with second handle (12) of third screw hole (14) are kept away from in second threaded rod (16).
7. The device for professional dismounting and mounting of the boom of the lorry-mounted crane according to the claim 1, is characterized in that: and a sealing ring (13) is arranged on the side wall of the groove (7).
8. The device for professional dismounting and mounting of the boom of the lorry-mounted crane according to the claim 7, is characterized in that: the side wall of the groove (7) is provided with a placing groove, and the sealing ring (13) is embedded in the placing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020143831.5U CN211733678U (en) | 2020-01-22 | 2020-01-22 | Device for professional dismounting and mounting of lorry-mounted crane boom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020143831.5U CN211733678U (en) | 2020-01-22 | 2020-01-22 | Device for professional dismounting and mounting of lorry-mounted crane boom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211733678U true CN211733678U (en) | 2020-10-23 |
Family
ID=72878879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020143831.5U Expired - Fee Related CN211733678U (en) | 2020-01-22 | 2020-01-22 | Device for professional dismounting and mounting of lorry-mounted crane boom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211733678U (en) |
-
2020
- 2020-01-22 CN CN202020143831.5U patent/CN211733678U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201023 |
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| CF01 | Termination of patent right due to non-payment of annual fee |