CN212823622U - Internal stay device and internal stay frock - Google Patents
Internal stay device and internal stay frock Download PDFInfo
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- CN212823622U CN212823622U CN202021187693.7U CN202021187693U CN212823622U CN 212823622 U CN212823622 U CN 212823622U CN 202021187693 U CN202021187693 U CN 202021187693U CN 212823622 U CN212823622 U CN 212823622U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 119
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 230000000670 limiting effect Effects 0.000 claims description 40
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model relates to a box internal stay frock clamp of pump truck chassis specifically relates to an internal stay device and internal stay frock. An inner supporting device comprises a bracket, a positioning plate, a transmission rod and a transmission mechanism, wherein the positioning plate is arranged on the outer side of the bracket, the transmission rod penetrates through the inside of the bracket, the positioning plate is parallel to the transmission rod and is connected with the transmission rod through the transmission mechanism, so that the axial movement of the transmission rod can drive the positioning plate to be far away from or close to the transmission rod, and the distance between the positioning plate and the bracket is changed; the transmission rod is rotated to enable the transmission rod to move relative to the support along the axial direction of the transmission rod. Internal stay device convenient operation, the practicality is better, the precision is higher.
Description
Technical Field
The utility model relates to a box internal stay frock clamp of pump truck chassis specifically relates to an internal stay device and internal stay frock.
Background
The technology relates to a box body internal support tooling clamp of a pump truck chassis; when the supporting leg cavity of the pump truck chassis is assembled, as shown in fig. 5, the geometric sizes A and B of the cavity are difficult to control, the supporting leg cavity is in the shape of a cuboid with openings at two ends, the size A is the width of the cuboid, the size B is the height of the cuboid, the supporting leg cavity is formed by welding 4 steel plates, and welding deformation exists during welding, so that the sizes A and B cannot meet the requirements of drawings;
as shown in fig. 4 and 5, the currently adopted adjustment mode of the inner support tool is adjustment by using a threaded wedge combination; the existing internal bracing tool comprises a rotating rod 102, push plates 103 are arranged at two ends of the rotating rod 102, compression nuts 108 and fixing nuts 104 are arranged on the outer sides of the push plates 103 at the two ends of the rotating rod 102, the push plates 103 at the two ends of the rotating rod can move relatively by screwing the compression nuts 108, wedge blocks 106 are arranged on the push plates 103, a top plate 105 is arranged on each wedge block 106, and the bottom of each top plate 105 is in a wedge shape matched with the corresponding wedge block 106; so that the relatively moving wedge 106 can lift the top plate 105. A spring 107 is pressed on the rotating rod 102 between the two push plates 103, so that the pressing nut 108 is loosened, and the spring 107 pushes the two push plates 103 to return to the original position.
The use process of the adjusting tool is as follows: the bottom plate is well placed, the inner support tool is hung on the plate, the top plate is jacked to a certain position, and the side plate and the upper plate are welded; then, taking the side plate as a bottom plate, hoisting the inner support tool on the plate, jacking the top plate to a certain position, and welding the rest plate; and repeatedly jacking by taking the rest plate as a bottom plate.
The tool is arranged in a bilateral symmetry mode, the lifting and descending adjustment needs eight times, and the adjustment is time-consuming and labor-consuming; after long-time use, the spring cannot work normally due to different degrees of abrasion of the spring mechanism, and the tool can descend only by manually knocking the screw; the repeated knocking has certain influence on the screw mechanism and the tool precision.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the problem that the precision of the existing internal supporting device is reduced in the prior art.
In order to achieve the above object, an aspect of the present invention provides an inner supporting device, which includes a bracket, a positioning plate, a transmission rod and a transmission mechanism, wherein the positioning plate is disposed outside the bracket, the transmission rod passes through the inside of the bracket, and a positioning surface of the positioning plate is parallel to an axis of the transmission rod and is connected to the transmission rod through the transmission mechanism, so that axial movement of the transmission rod can drive the positioning plate to move away from or close to the transmission rod, thereby changing a distance between the positioning plate and the bracket; the transmission rod is rotated to enable the transmission rod to move relative to the support along the axial direction of the transmission rod.
Preferably, still include guiding mechanism, guiding mechanism includes the guiding axle and sets up the guide sleeve of support one side, guide sleeve's extending direction is on a parallel with locating plate thickness direction, the guiding axle is followed locating plate thickness direction passes the locating plate and can move and insert and locate in the guide sleeve, in order to inject the locating plate is relative the support only follows locating plate thickness direction removes.
Preferably, the number of guiding axle is a plurality of, the number of guide sleeve is a plurality of, and is a plurality of guide sleeve and a plurality of the guiding axle one-to-one, a plurality of guide sleeve is parallel and the interval sets up one side of support.
Preferably, the transmission mechanism comprises a connecting rod, and two ends of the connecting rod are respectively hinged with the positioning plate and the transmission rod.
Preferably, the transmission mechanism further includes a connection block, a first limiting member and a second limiting member, the transmission rod is rotatably inserted into the connection block, the first limiting member and the second limiting member are both fixedly disposed on the transmission rod, the first limiting member and the second limiting member are respectively disposed on two sides of the connection block to limit the connection block to slide on the transmission rod along the axial direction of the transmission rod, and the connection block is connected with the connection rod through a pin shaft; and/or a connecting shaft is arranged on the positioning plate, and the positioning plate is connected with the connecting rod pin shaft through the connecting shaft.
Preferably, a third limiting part is fixed inside the bracket, so that when the transmission rod drives the connecting block to be attached to the third limiting part, a connecting line of holes at two ends of the connecting rod is parallel to the thickness direction of the positioning plate.
Preferably, the number of the positioning plates is multiple, the positioning plates are respectively arranged on different sides of the bracket, and the positioning plates are connected to the transmission rod.
Preferably, the cross section of the support is rectangular, the number of the positioning plates is three, the three positioning plates are respectively arranged on three sides of the support, the connecting block is a three-way connecting block, and the positioning plates arranged on the three sides of the support are connected with the transmission rod through the three-way connecting block.
Preferably, the positioning plate is connected with the same transmission rod through a plurality of sets of transmission mechanisms, the transmission mechanisms are arranged in parallel at intervals, and/or the transmission rod penetrates out of the support, and a hand wheel is arranged at one end of the transmission rod penetrating out of the support.
The utility model discloses the second aspect provides an internal stay frock, prop the device in a plurality of above-mentioned, it is a plurality of in prop the device distribution in prop on the axial extending direction of transfer line, and two adjacent in prop the device interconnect, it is a plurality of the extending direction of the transfer line of internal stay device distributes on same straight line, be equipped with the hole for hoist in the internal stay frock.
The transmission rod of the internal support device is connected with the positioning plate through the transmission mechanism, so that the positioning plate is close to or away from the bracket by utilizing the upward movement of the transmission rod along the axial direction, the positioning plate is away from or close to the inner wall of the box body when the internal support device is placed in the box body, and the clamping stagnation condition when the original screw wedge block structure reset by utilizing a spring is avoided; the precision reduction of the wedge block structure caused by an easily worn structure is avoided, and the service life of the device is prolonged; the reduction of the precision of threaded connection caused by knocking the tool during the reset clamping stagnation is avoided, the operation is convenient, and the practicability of the device is improved; the transmission rod is self-locked through the threaded connection of the transmission sleeve and the transmission rod, and the stability of the internal support device is ensured.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the internal stay device of the present invention during jacking;
FIG. 2 is a schematic structural diagram of the transmission mechanism of the present invention;
FIG. 3 is a schematic structural view of the inner support tool of the present invention when the inner support tool is not lifted;
FIG. 4 is a schematic structural view of an original inner bracing fixture;
FIG. 5 is a schematic view of an installation structure of an original inner support tool clamp in a box body;
fig. 6 is a schematic view of the mounting structure of the connecting block of the present invention.
Description of the reference numerals
1-bracket, 2-positioning plate, 3-transmission rod, 4-connecting rod, 5-guide shaft, 6-guide hole, 7-connecting shaft, 8-connecting block, 9-third limiting part, 10-transmission sleeve, 11-first limiting part, 12-second limiting part, 13-hand wheel, 14-fourth limiting part, 100-original internal support tool clamp, 101-box, 102-rotating rod, 103-push plate, 104-fixing nut, 105-top plate, 106-wedge block, 107-spring, 108-compression nut.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
The utility model discloses an aspect provides an internal stay device, including support 1, locating plate 2, transfer line 3 and drive mechanism, locating plate 2 sets up in the outside of support 1, transfer line 3 passes the inside setting of support 1, the locating surface of locating plate 2 is on a parallel with the axis of transfer line 3 and links to each other with transfer line 3 through the drive mechanism to make the axial removal of transfer line 3 can drive locating plate 2 keep away from or be close to transfer line 3, thereby change the distance between locating plate 2 and support 1; a transmission sleeve 10 for the transmission rod 3 to penetrate through is fixed on the bracket 1, a thread section matched with the transmission sleeve 10 is arranged on the transmission rod 3, and the transmission rod 3 is rotated to enable the transmission rod 3 to move relative to the bracket 1 along the axial direction of the transmission rod 3. Specifically, the positioning surface of the positioning plate 2 is a surface that is attached to the box body as described below. Obviously, the support 1 is a box structure adapted to the box, and the support 1 can enter and exit the box.
The transmission rod 3 of the internal stay device of the utility model is connected with the positioning plate 2 through the transmission mechanism, so that the positioning plate 2 is close to or away from the bracket 1 by utilizing the upward movement of the transmission rod 3 along the axial direction, thereby being convenient for the positioning plate 2 to be away from the close or inner wall of the box body when the internal stay device is placed in the box body, and avoiding the clamping stagnation condition when the original screw wedge block structure which is reset by utilizing a spring is reset; the precision reduction of the wedge block structure caused by an easily worn structure is avoided, and the service life of the device is prolonged; the reduction of the precision of the threaded connection caused by knocking the tool is avoided when the resetting is blocked, the operation is convenient, and the practicability of the device is improved; the transmission rod 3 is self-locked through the threaded connection of the transmission sleeve 10 and the transmission rod 3, and the stability of the internal support device is ensured.
Preferably, as shown in fig. 2, the inner supporting device further includes a guiding mechanism, the guiding mechanism includes a guiding shaft 5 and a guiding sleeve 6 disposed on one side of the bracket 1, an extending direction of the guiding sleeve 6 is parallel to a thickness direction of the positioning plate 2, the guiding shaft 5 passes through the positioning plate 2 along the thickness direction of the positioning plate 2 and is movably inserted into the guiding sleeve 6, so as to limit the positioning plate 2 to move relative to the bracket 1 only along the thickness direction of the positioning plate 2. The guiding mechanism ensures that the positioning plate 2 moves along the thickness direction, namely the required direction, and avoids additional displacement loss.
Preferably, the number of the guide shafts 5 is multiple, the number of the guide sleeves 6 is multiple, the guide sleeves 6 correspond to the guide shafts 5 one by one, and the guide sleeves 6 are arranged on one side of the support 1 in parallel at intervals. The accuracy of the guiding mechanism can be further improved by the plurality of groups of the guiding shafts 5 and the guiding sleeves 6 which are arranged in parallel.
Preferably, the transmission mechanism comprises a connecting rod 4, and two ends of the connecting rod 4 are respectively hinged with the positioning plate 2 and the transmission rod 3. In this configuration, the degree of inclination of the link 4 determines the distance between the positioning plate 2 and the bracket 1.
When using this internal stay device, at first with locating plate 2 and the laminating of support 1 to make this internal stay device volume as little as possible, be convenient for place this internal stay device in the box that needs work, like the box of pump truck. After this internal stay device placed in the box, need keep away from support 1 with locating plate 2 and make locating plate 2 and the inner wall contact of box, in this embodiment, when the axis extending direction of connecting rod 4 is parallel with the thickness direction of locating plate 2, locating plate 2 and the laminating of box inner wall, if exert the ascending power of axial direction along connecting rod 4 to locating plate 2 this moment, can not produce the axial component, that is to say, connecting rod 4 is in self-locking state on its axial direction at this moment, and the structure is comparatively stable, thereby further guarantee the stability of box in welding process.
Preferably, as shown in fig. 1, the transmission mechanism further includes a connecting block 8, a first limiting member 11 and a second limiting member 12, the transmission rod 3 is rotatably inserted into the connecting block 8, the first limiting member 11 and the second limiting member 12 are both fixedly disposed on the transmission rod 3, the first limiting member 11 and the second limiting member 12 are respectively disposed on two sides of the connecting block 8 to limit the connecting block 8 to slide on the transmission rod 3 along the axial direction of the transmission rod 3, and the connecting block 8 is connected to the connecting rod 4 by a pin; and/or, a connecting shaft 7 is arranged on the positioning plate 2, and the positioning plate 2 is in pin connection with the connecting rod 4 through the connecting shaft 7. Specifically, as shown in fig. 6, the first limiting member 11 may be a stopper or a nut, and the second limiting member 12 may also be a stopper or a nut. In particular, a bearing may be provided between the transmission rod and the connection block to improve the swivel accuracy. Preferably, a third limiting part 9 is fixed inside the bracket 1, so that when the transmission rod 3 drives the connecting block 8 to be attached to the third limiting part 9, a connecting line of holes at two ends of the connecting rod 4 is parallel to the thickness direction of the positioning plate 2.
As can be known from the background art, the box body to be corrected has a fixed size, so that the position of the third limiting member 9 can be preset, so that when the transmission rod 3 drives the connecting block 8 to be attached to the third limiting member 9, the connecting line of the holes at the two ends of the connecting rod 4 is parallel to the thickness direction of the positioning plate 2, that is, the axial extending direction of the connecting rod 4 is parallel to the thickness direction of the positioning plate 2; therefore, in the actual use process, the length of the connecting rod 4 can be changed according to the size of the box body, so that the positioning plate 2 is better attached to the inner wall of the box body.
Further, the third limiting member 9 may be a shaft sleeve or a protrusion, and the shaft sleeve or the protrusion is fixed in the bracket 1 through the mounting bracket. In this embodiment, the third limiting member 9 is preferably a shaft sleeve, and the function of the shaft sleeve includes two functions: not only can realize the limiting action to transfer line 3, can also realize the supporting role to transfer line 3 for transfer line 3 is more steady at the removal in-process.
Preferably, the number of the positioning plates 2 is multiple, and the plurality of positioning plates 2 are respectively arranged on different sides of the bracket 1. In an embodiment, the number of the transmission mechanisms is the same as the number of the positioning plates, and a plurality of the positioning plates 2 are respectively connected to the transmission rod 3 through a plurality of the transmission mechanisms.
In this embodiment, one positioning plate 2 is connected to the transmission rod 3 through a plurality of sets of transmission mechanisms, which are arranged in parallel and at intervals, that is, the plurality of sets of transmission mechanisms transmit synchronously. In this embodiment, the number of the transmission mechanisms can be two, and the two transmission mechanisms are respectively arranged at the end parts of the two axial ends of the transmission rod 3, so that the positioning plate 2 can be stressed more uniformly and can rise and fall stably. As shown in fig. 1, the inner supporting device further includes a fourth limiting member 14, and the fourth limiting member 14 is used for limiting the moving distance of the transmission rod 3 away from the third limiting member, that is, limiting the inclination degree of the connecting rod 4.
It is understood that the number of the transmission mechanisms can be three or more, and can be determined according to the axial size of the transmission rod 3.
Further, the transmission rod 3 penetrates out of the support 1, and a hand wheel 13 is arranged at one end, penetrating out of the support 1, of the transmission rod 3. The hand wheel 13 is convenient for operating the transmission rod 3, and the lifting stability of the positioning plate 2 is further improved by a plurality of sets of transmission mechanisms.
The cross section of the general bracket 1 can be set to be polygonal according to the adjustment requirement so as to adapt to different boxes. In the present embodiment, the cross section of the stent 1 is rectangular, and specifically, the cross section described herein is the cross section shown in fig. 2. The number of the positioning plates 2 is three, the positioning plates are respectively arranged on three sides of the support 1, the connecting blocks 8 are three-way connecting blocks, and the positioning plates 2 arranged on the three sides of the support 1 are all connected with the transmission rod 3 through the three-way connecting blocks. As shown in fig. 2, in this structure, the distance between the positioning surfaces of the two positioning plates 2 disposed opposite to each other is dimension B, and the distance between the positioning surface of the positioning plate 2 disposed opposite to the bottom of the bracket 1 and the surface of the bottom of the bracket 1 for attaching to the box body is dimension a.
The utility model discloses the second aspect provides an internal stay frock, and this internal stay frock includes a plurality of internal stay devices, and is a plurality of the internal stay device distributes on the axial extending direction of transfer line 3, and two are adjacent the internal stay device interconnects, and is a plurality of the extending direction of transfer line 3 of internal stay device distributes on same straight line. In actual operation, the box body is large in size in the axial direction of the transmission rod 3, the accuracy is insufficient due to the fact that the size of one internal supporting device is too long in the axial direction of the transmission rod 3, and the internal supporting function needs to be better achieved through the plurality of internal supporting devices. As shown in fig. 3, in this embodiment, there are two inner support devices, and the inner support tool is provided with a hoisting hole, which is convenient for installation of the inner support tool; the hoisting holes are generally symmetrically arranged at the upper end of the support 1 or at two opposite sides of the support 1, so that the inner support tool is in a relatively stable state when the hoisting holes are utilized for hoisting. It will be understood that the number of the inner supporting devices is determined by the size of the box body in the axial direction of the transmission rod 3, and may be three or more.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. The technical scheme of the utility model in the technical conception scope, can be right carry out multiple simple variant. Including each of the specific features, are combined in any suitable manner. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.
Claims (10)
1. An internal bracing device is characterized by comprising a bracket (1), a positioning plate (2), a transmission rod (3) and a transmission mechanism, wherein the positioning plate (2) is arranged at the outer side of the bracket (1), the transmission rod (3) penetrates through the inside of the bracket (1), and a positioning surface of the positioning plate (2) is parallel to the axis of the transmission rod (3) and is connected with the transmission rod (3) through the transmission mechanism, so that the axial movement of the transmission rod (3) can drive the positioning plate (2) to be far away from or close to the transmission rod (3), and the distance between the positioning plate (2) and the bracket (1) is changed; the transmission rod (3) is connected with the support (1) in a rotating mode, a transmission sleeve (10) for the transmission rod (3) to penetrate through is fixed on the support (1), a thread section matched with the transmission sleeve (10) is arranged on the transmission rod (3), and the transmission rod (3) is rotated to enable the transmission rod (3) to move relative to the support (1) along the axial direction of the transmission rod (3).
2. The inner supporting device according to claim 1, characterized by further comprising a guiding mechanism, wherein the guiding mechanism comprises a guiding shaft (5) and a guiding sleeve (6) arranged on one side of the bracket (1), the extending direction of the guiding sleeve (6) is parallel to the thickness direction of the positioning plate (2), the guiding shaft (5) penetrates through the positioning plate (2) along the thickness direction of the positioning plate (2) and is movably inserted into the guiding sleeve (6) so as to limit the positioning plate (2) to move relative to the bracket (1) only along the thickness direction of the positioning plate (2).
3. The inner support device according to claim 2, wherein the number of the guide shafts (5) is multiple, the number of the guide sleeves (6) is multiple, the guide sleeves (6) correspond to the guide shafts (5) one by one, and the guide sleeves (6) are arranged on one side of the support (1) in parallel at intervals.
4. The inner supporting device according to claim 1, wherein the transmission mechanism comprises a connecting rod (4), and two ends of the connecting rod (4) are respectively hinged with the positioning plate (2) and the transmission rod (3).
5. The internal supporting device according to claim 4, wherein the transmission mechanism further comprises a connecting block (8), a first limiting member (11) and a second limiting member (12), the transmission rod (3) is rotatably inserted into the connecting block (8), the first limiting member (11) and the second limiting member (12) are both fixedly arranged on the transmission rod (3), the first limiting member (11) and the second limiting member (12) are respectively arranged on two sides of the connecting block (8) to limit the connecting block (8) to slide on the transmission rod (3) along the axial direction of the transmission rod (3), and the connecting block (8) is connected with the connecting rod (4) through a pin; and/or, be provided with connecting axle (7) on locating plate (2), locating plate (2) pass through connecting axle (7) with connecting rod (4) round pin hub connection.
6. The internal supporting device according to claim 5, wherein a third limiting member (9) is fixed inside the bracket (1), so that when the transmission rod (3) drives the connecting block (8) to be attached to the third limiting member (9), a connecting line of holes at two ends of the connecting rod (4) is parallel to the thickness direction of the positioning plate (2).
7. Internal bracing device according to claim 5, characterized in that the number of said positioning plates (2) is a plurality, a plurality of said positioning plates (2) are respectively arranged on different sides of said bracket (1), a plurality of said positioning plates (2) are all connected to said transmission rod (3).
8. The inner supporting device as claimed in claim 7, wherein the cross section of the bracket (1) is rectangular, the number of the positioning plates (2) is three, the three positioning plates (2) are respectively arranged on three sides of the bracket (1), the connecting block (8) is a three-way connecting block, and the positioning plates (2) arranged on three sides of the bracket (1) are all connected with the transmission rod (3) through the three-way connecting block.
9. The inner supporting device according to claim 1, wherein the positioning plate (2) is connected with the same transmission rod (3) through a plurality of sets of transmission mechanisms which are arranged in parallel and at intervals, and/or the transmission rod (3) penetrates out of the bracket (1), and a hand wheel (13) is arranged at one end of the transmission rod (3) penetrating out of the bracket (1).
10. An internal bracing tool, characterized by comprising a plurality of internal bracing devices according to any one of claims 1 to 9, wherein the plurality of internal bracing devices are distributed in the axial extension direction of the transmission rod (3), two adjacent internal bracing devices are connected with each other, the extension directions of the transmission rods (3) of the plurality of internal bracing devices are distributed on the same straight line, and hoisting holes are formed in the internal bracing tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021187693.7U CN212823622U (en) | 2020-06-23 | 2020-06-23 | Internal stay device and internal stay frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021187693.7U CN212823622U (en) | 2020-06-23 | 2020-06-23 | Internal stay device and internal stay frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212823622U true CN212823622U (en) | 2021-03-30 |
Family
ID=75176409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021187693.7U Active CN212823622U (en) | 2020-06-23 | 2020-06-23 | Internal stay device and internal stay frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212823622U (en) |
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2020
- 2020-06-23 CN CN202021187693.7U patent/CN212823622U/en active Active
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