CN203237952U - Jacking cross beam, jacking mechanism, climbing frame and tower crane - Google Patents
Jacking cross beam, jacking mechanism, climbing frame and tower crane Download PDFInfo
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- CN203237952U CN203237952U CN 201320245150 CN201320245150U CN203237952U CN 203237952 U CN203237952 U CN 203237952U CN 201320245150 CN201320245150 CN 201320245150 CN 201320245150 U CN201320245150 U CN 201320245150U CN 203237952 U CN203237952 U CN 203237952U
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- mounting groove
- cross beam
- stop part
- safety pin
- jacking cross
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- 230000009194 climbing Effects 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 title claims abstract description 9
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 102000011842 Serrate-Jagged Proteins Human genes 0.000 description 3
- 108010036039 Serrate-Jagged Proteins Proteins 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
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Abstract
The utility model provides a jacking crossbeam, climbing mechanism, frame and tower crane climb. This jacking crossbeam includes web (10) and pin boss (20) of fixed connection in web (10) one end, be provided with mounting groove (11) on web (10), the position that corresponds mounting groove (11) on pin boss (20) is provided with mounting hole (21), safety pin (40) get into in mounting hole (21) through mounting groove (11), be provided with stop member (30) on web (10), stop member (30) set up the side opening part and the backstop of mounting groove (11) outside safety pin (40), and the first end backstop of stop member (30) is in the first end that is close to pin boss (20) of mounting groove (11), the second end backstop of stop member (30) is in the second end of mounting groove (11). According to the utility model discloses a jacking crossbeam can solve the problem that the safety pin drops from pinhole side opening easily among the prior art.
Description
Technical field
The utility model relates to the tower crane field, in particular to a kind of jacking cross beam, lifting body, climbing support and tower crane.
Background technology
Jacking cross beam plays an important role in tower crane lifting supernumerary segment process, be used for when climbing support climbs with standard knot on mark time and cooperate, thereby provide the jacking application force to climbing support, climbing support can upwards be climbed, thereby load the space for standard knot to be added provides.
In jacking cross beam and process that standard knot cooperates, existing safety pin 40 ' inserts jacking cross beam from the serrate slot 12 ' of web 10 ', then uses the fixedly end of serrate slot 12 ' of pressing plate 30 '.Safety pin 40 ' is released left during the jacking cross beam jacking, in insertion is marked time; In oil cylinder when retraction,, safety pin 40 ' withdraws to the right and marks time, and pressing plate 30 ' blocks safety pin 40 ' end, prevents that safety pin 40 ' from deviating from from serrate slot 12 ', as shown in Figure 1.
Safety pin 40 ' does not easily come off from the pin-and-hole lateral opening when arriving pressing plate 30 ' region in withdrawing from the process of marking time, and carries out the very large potential safety hazard of lifting guide support adding existence in the situation that safety pin 40 ' comes off.
The utility model content
The utility model aims to provide a kind of jacking cross beam, lifting body, climbing support and tower crane, to solve the problem that safety pin easily comes off from the pin-and-hole lateral opening in the prior art.
To achieve these goals, according to an aspect of the present utility model, jacking cross beam is provided, the key seat that comprises web and be fixedly connected on web one end, be provided with mounting groove on the web, the position of corresponding mounting groove is provided with mounting hole on the key seat, safety pin enters in the mounting hole by mounting groove, be provided with stop part on the web, stop part is arranged on the lateral opening place of mounting groove and backstop outside safety pin, and the first end backstop of stop part is at the first end of the close key seat of mounting groove, and the second end backstop of stop part is at the second end of mounting groove.
Further, stop part comprise the first end of mounting groove and lid be located at the first catch arm on the mounting groove, the second end of mounting groove and lid be located at the second catch arm on the mounting groove and be connected to the first catch arm and the second catch arm between connecting arm.
Further, the part of the lateral opening of mounting groove covers to prevent that by connecting arm safety pin from deviating from from mounting groove.
Further, jacking cross beam comprises safety pin, and the end of safety pin is provided with the handle that extends laterally, and is provided with the positioning groove that extends laterally from mounting groove on the web, and handle selectively is arranged in the positioning groove.
Further, positioning groove is a plurality of, and a plurality of positioning grooves arrange along the length direction interval of mounting groove, and limits extended position and the retracted position of safety pin by handle.
Further, handle has the first state that is positioned at positioning groove and the second state that breaks away from positioning groove, when handle is in the second state, has the gap between the side of the close stop part backstop side of handle and the backstop side fitting surface of stop part.
Further, mounting groove is groove, and the lateral opening place of the both sides of mounting groove is provided with stop part.
Further, be provided with the regulating mechanism of regulating spacing between stop part and the safety pin between stop part and the web.
According on the other hand of the present utility model, a kind of lifting body is provided, comprise jacking cross beam and the jacking cylinder that is connected on the jacking cross beam, this jacking cross beam is above-mentioned jacking cross beam.
According on the other hand of the present utility model, a kind of climbing support is provided, comprise lifting body, this lifting body is above-mentioned lifting body.
Provide a kind of tower crane more on the one hand according to of the present utility model, comprised climbing support, this climbing support is above-mentioned climbing support.
Use the technical solution of the utility model, the key seat that jacking cross beam comprises web and is fixedly connected on web one end, be provided with mounting groove on the web, the position of corresponding mounting groove is provided with mounting hole on the key seat, safety pin enters in the mounting hole by mounting groove, be provided with stop part on the web, stop part is arranged on the lateral opening place of mounting groove and backstop outside safety pin, and the first end backstop of stop part is at the first end of the close key seat of mounting groove, and the second end backstop of stop part is at the second end of mounting groove.After in safety pin enters mounting groove, stop part is installed in outside the mounting groove, safety pin is formed backstop action, because the first end of stop part is near key seat, therefore the second end of stop part inserts and withdraws from the process of marking time at safety pin near second end away from key seat of mounting groove, all is subject to the spacing of stop part, can not deviate from by the lateral opening from mounting groove owing to swinging the safety when having improved jacking cross beam work.
Description of drawings
The accompanying drawing that consists of a part of the present utility model is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the local structure schematic diagram of lifting body of the prior art;
Fig. 2 shows the stereo decomposing structural representation according to the jacking cross beam of embodiment of the present utility model;
Partial cutaway when Fig. 3 shows jacking cross beam according to the first embodiment of the present utility model and is in the lock state is shown structural representation;
Partial cutaway when Fig. 4 shows jacking cross beam according to the first embodiment of the present utility model and is in released state is shown structural representation;
Fig. 5 shows the decomposition texture schematic diagram according to the jacking cross beam of the first embodiment of the present utility model;
Fig. 6 shows the structural representation according to the jacking cross beam of the second embodiment of the present utility model; And
Fig. 7 shows the structural representation according to the stop part of Fig. 6.
Reference numeral: 10, web; 20, key seat; 30, stop part; 40, safety pin; 50, regulating mechanism; 60, mark time; 11, mounting groove; 12, positioning groove; 21, mounting hole; 31, the first catch arm; 32, the second catch arm; 33, connecting arm; 34, dodge groove; 41, handle; 42, handle.
The specific embodiment
Hereinafter also describe in conjunction with the embodiments the utility model in detail with reference to accompanying drawing.Need to prove, in the situation that do not conflict, embodiment and the feature among the embodiment among the application can make up mutually.
Extremely shown in Figure 5 referring to Fig. 2, according to the first embodiment of the present utility model, the key seat 20 that jacking cross beam comprises web 10 and is fixedly connected on web 10 1 ends, be provided with mounting groove 11 on the web 10, the position of corresponding mounting groove 11 is provided with mounting hole 21 on the key seat 20, safety pin 40 enters in the mounting hole 21 by mounting groove 11, be provided with stop part 30 on the web 10, stop part 30 is arranged on the lateral opening place of mounting groove 11 and backstop outside safety pin 40, and the first end of stop part 30 is arranged on the first end of the close key seat 20 of mounting groove 11, and the second end of stop part 30 is arranged on the second end of mounting groove 11.This stop part 30 for example is pressing plate or briquetting, the structure that perhaps also can be welded for a plurality of rod members.
After in safety pin 40 enters mounting groove 11, stop part 30 is installed in outside the mounting groove 11, safety pin 40 is formed backstop action, because the first end of stop part 30 is near key seat 20, the second end of stop part 30 is near second end away from key seat 20 of mounting groove 11, therefore inserts and withdraws from 60 the process of marking time at safety pin 40, all is subject to the spacing of stop part 30, can not deviate from owing to swinging the safety when having improved jacking cross beam work from the lateral opening of mounting groove 11.
In conjunction with referring to shown in Figure 4, in the present embodiment stop part 30 comprise the first end of mounting groove 11 and lid be located at the first catch arm 31 on the mounting groove 11, the second end of mounting groove 11 and lid be located at the second catch arm 32 on the mounting groove 11 and be connected to the first catch arm 31 and the second catch arm 32 between connecting arm 33.Preferably, the part of the lateral opening of mounting groove 11 covers to prevent that by connecting arm 33 safety pin 40 from deviating from from mounting groove 11.This moment connecting arm 33 with the maximum gauge of mounting groove 11 formed openings less than safety pin 40, can prevent that safety pin 40 from deviating from from the opening part between connecting arm 33 and the mounting groove 11, so can improve further the jacking cross beam job security.In other embodiments, this stop part 30 also can be the whole pressing plate that covers the opening part of mounting groove 11, and the first end of this pressing plate arranges near key seat 20, and the second end extends to the second end end of mounting groove 11.
Positioning groove 12 is a plurality of, and a plurality of positioning grooves 12 arrange along the length direction interval of mounting groove 11, and limits extended position and the retracted position of safety pin 40 by handle 41.In the present embodiment, positioning groove 12 is two, and one of them positioning groove is used for limiting the extended position of safety pin 40, and another is used for limiting the retracted position of safety pin 40, can prevent that safety pin 40 from moving when being subject to external force, guaranteeing the working stability of safety pin 40.
Preferably, mounting groove 11 is groove, and the lateral opening place of the both sides of mounting groove 11 is provided with stop part 30.Captive joint by screw bolt and nut between two stop parts 30 and the web 10, one of at least be provided with regulating mechanism and between the web 10 in two stop parts 30, this regulating mechanism is used for regulating the spacing between stop part 30 and the safety pin 40, to adapt to the safety pin 40 of different sizes.This regulating mechanism is such as being extension spring etc.In the present embodiment, regulating mechanism 50 can change two spacings between the stop part 30 by the number of increase and decrease pad when needed for being arranged on a plurality of pads between one of them stop part 30 and the web 10.Certainly, if mounting groove 11 is not groove, and when a stop part 30 is only arranged, can change by the number of increase and decrease pad the spacing between stop part and the safety pin 40, it is met the demands.
Locking for bolted-on attachment is configured to, it also is very necessary that the bullet pad is set between bolt and stop part 30.
In conjunction with referring to Fig. 6 and shown in Figure 7, according to the second embodiment of the present utility model, itself and the first embodiment are basic identical, difference is, in the present embodiment, the apical position place of the connecting arm 33 of stop part 30 is provided with and dodges groove 34, and this purpose of dodging groove 34 is to stay between the web connecting portion for stop part 30 and jacking cross beam dodges the space, and the circumferential weld that prevents stop part 30 and web 10 forms interferes.
When jacking cross beam is worked, safety pin 40 is inserted from the mounting groove 11 on the web 10, then with two stop parts 30 safety pin 40 is fixed in the mounting groove 11, and with bolt, plain cushion, bullet pad and nut that stop part 30 is fixing.
In conjunction with referring to shown in Figure 3, when inserting, safety pin 40 marks time 60 the time, and utilize the handle 41 of safety pin 40 to promote safety pin 40 left, and safety pin 40 is pushed in 60 the hole of marking time, then turning handle 41, and handle 41 is placed in the positioning groove 12.
In conjunction with referring to shown in Figure 4, when withdrawing from, safety pin 40 marks time 60 the time, and utilize the handle 41 of safety pin 40 to promote safety pin 40 to the right, safety pin 40 can withdraw from marks time outside 60.
According to embodiment of the present utility model, lifting body comprises jacking cross beam and the jacking cylinder that is connected on the jacking cross beam, and this jacking cross beam is above-mentioned jacking cross beam.
According to embodiment of the present utility model, climbing support comprises lifting body, and this lifting body is above-mentioned lifting body.
According to embodiment of the present utility model, tower crane comprises climbing support, and this climbing support is above-mentioned climbing support.
From above description, can find out, the utility model the above embodiments have realized following technique effect: the key seat that jacking cross beam comprises web and is fixedly connected on web one end, be provided with mounting groove on the web, the position of corresponding mounting groove is provided with mounting hole on the key seat, safety pin enters in the mounting hole by mounting groove, be provided with stop part on the web, stop part is arranged on the lateral opening place of mounting groove and backstop outside safety pin, and the first end of stop part is arranged on the first end of the close key seat of mounting groove, and the second end of stop part is arranged on the second end of mounting groove.After in safety pin enters mounting groove, stop part is installed in outside the mounting groove, safety pin is formed backstop action, because the first end of stop part is near key seat, therefore the second end of stop part inserts and withdraws from the process of marking time at safety pin near second end away from key seat of mounting groove, all is subject to the spacing of stop part, can not deviate from by the lateral opening from mounting groove owing to swinging the safety when having improved jacking cross beam work.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (11)
1. jacking cross beam, it is characterized in that, the key seat (20) that comprises web (10) and be fixedly connected on described web (10) one ends, be provided with mounting groove (11) on the described web (10), the position of the upper corresponding described mounting groove (11) of described key seat (20) is provided with mounting hole (21), safety pin (40) enters in the described mounting hole (21) by described mounting groove (11), be provided with stop part (30) on the described web (10), described stop part (30) is arranged on the lateral opening place of described mounting groove (11) and backstop outside described safety pin (40), and the first end backstop of described stop part (30) is at the first end of the close described key seat (20) of described mounting groove (11), and the second end backstop of described stop part (30) is at the second end of described mounting groove (11).
2. jacking cross beam according to claim 1, it is characterized in that, described stop part (30) comprise the first end that is positioned at described mounting groove (11) and lid be located at the first catch arm (31) on the described mounting groove (11), the second end that is positioned at described mounting groove (11) and lid be located at the second catch arm (32) on the described mounting groove (11) and be connected to described the first catch arm (31) and described the second catch arm (32) between connecting arm (33).
3. jacking cross beam according to claim 2 is characterized in that, the part of the described lateral opening of described mounting groove (11) is deviate from from described mounting groove (11) to prevent described safety pin (40) by described connecting arm (33) covering.
4. each described jacking cross beam in 3 according to claim 1, it is characterized in that, described jacking cross beam comprises described safety pin (40), the end of described safety pin (40) is provided with the handle (41) that extends laterally, be provided with the positioning groove (12) that extends laterally from described mounting groove (11) on the described web (10), described handle (41) selectively is arranged in the described positioning groove (12).
5. jacking cross beam according to claim 4, it is characterized in that, described positioning groove (12) is a plurality of, a plurality of described positioning grooves (12) arrange along the length direction interval of described mounting groove (11), and limit extended position and the retracted position of described safety pin (40) by described handle (41).
6. jacking cross beam according to claim 4, it is characterized in that, described handle (41) has the first state that is positioned at described positioning groove (12) and the second state that breaks away from described positioning groove (12), described handle (41) has the gap between the side of close described stop part (30) the backstop side of described handle (41) and the backstop side fitting surface of described stop part (30) when being in the second state.
7. each described jacking cross beam in 3 according to claim 1 is characterized in that, described mounting groove (11) is groove, and the described lateral opening place of the both sides of described mounting groove (11) is provided with described stop part (30).
8. each described jacking cross beam in 3 according to claim 1 is characterized in that, is provided with the regulating mechanism (50) of regulating spacing between described stop part (30) and the described safety pin (40) between described stop part (30) and the described web (10).
9. a lifting body comprises jacking cross beam and the jacking cylinder that is connected on the described jacking cross beam, it is characterized in that, described jacking cross beam is each described jacking cross beam in the claim 1 to 8.
10. a climbing support comprises lifting body, it is characterized in that, described lifting body is lifting body claimed in claim 9.
11. a tower crane comprises climbing support, it is characterized in that, described climbing support is climbing support claimed in claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320245150 CN203237952U (en) | 2013-05-08 | 2013-05-08 | Jacking cross beam, jacking mechanism, climbing frame and tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320245150 CN203237952U (en) | 2013-05-08 | 2013-05-08 | Jacking cross beam, jacking mechanism, climbing frame and tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203237952U true CN203237952U (en) | 2013-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320245150 Expired - Lifetime CN203237952U (en) | 2013-05-08 | 2013-05-08 | Jacking cross beam, jacking mechanism, climbing frame and tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203237952U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111747319A (en) * | 2020-08-18 | 2020-10-09 | 广州五羊建设机械有限公司 | Jacking system of tower crane |
| CN114105006A (en) * | 2021-11-30 | 2022-03-01 | 湖南三一塔式起重机械有限公司 | Jacking cross beam, climbing frame and tower crane |
-
2013
- 2013-05-08 CN CN 201320245150 patent/CN203237952U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111747319A (en) * | 2020-08-18 | 2020-10-09 | 广州五羊建设机械有限公司 | Jacking system of tower crane |
| CN111747319B (en) * | 2020-08-18 | 2024-07-23 | 广州五羊建设机械有限公司 | Tower crane jacking system |
| CN114105006A (en) * | 2021-11-30 | 2022-03-01 | 湖南三一塔式起重机械有限公司 | Jacking cross beam, climbing frame and tower crane |
| CN114105006B (en) * | 2021-11-30 | 2024-01-09 | 湖南三一塔式起重机械有限公司 | Jacking crossbeam, climbing frame and tower crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131016 |
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| CX01 | Expiry of patent term |