CN206393544U - Draw horse - Google Patents
Draw horse Download PDFInfo
- Publication number
- CN206393544U CN206393544U CN201621354510.XU CN201621354510U CN206393544U CN 206393544 U CN206393544 U CN 206393544U CN 201621354510 U CN201621354510 U CN 201621354510U CN 206393544 U CN206393544 U CN 206393544U
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- CN
- China
- Prior art keywords
- pulling claw
- screw rod
- pushing tow
- tow screw
- platen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
Horse is drawn the utility model discloses one kind, including pushing tow screw rod and connecting seat, at least two pulling claws being distributed on around pushing tow screw rod are provided with connecting seat, a sleeve being socketed on pushing tow screw rod is provided with connecting seat upper surface, a platen is socketed with sleeve, the look nut being threaded on sleeve is provided with above platen, elastic component is provided between look nut and platen, inclined-plane corresponding with pulling claw is provided with platen, the inclined-plane is gradually close to pushing tow screw rod from up to down, the upper end of the pulling claw is protruded upward outside pulling claw mounting seat, pulling claw upper end offsets with inclined-plane, during the pushing of platen, each pulling claw upper end rotates around the axis away from the direction of pushing tow screw rod, each pulling claw lower end is then close to pushing tow screw rod simultaneously.Platen oppresses pulling claw upper end under the elastic force effect of elastic component, and when the upper end of pulling claw offsets with inclined-plane, platen drives the lower end of pulling claw close to pushing tow screw rod to the active force of pulling claw, that is, drives pulling claw Automatic-clamping workpiece.
Description
Technical field
The utility model is related to a kind of drawing horse.
Background technology
Draw horse to remove and be widely used in rail truck maintenance, mechanical erection, mine maintenance, the support of architectural engineering and general weight
Thing raising declines outer, the round shape workpiece such as belt pulley, gear, bearing for being also applied to dismantle in various plant equipment.
Tradition drawing horse, which includes being threaded with connecting seat, connecting seat on pushing tow screw rod, pushing tow screw rod, is provided with least two
A pulling claw is connected with by axis of rotation in the individual pulling claw mounting seat being distributed on around pushing tow screw rod, each pulling claw mounting seat,
Pulling claw lower end is bent to form hook body to pushing tow screw rod, and the shaft parallel makes in the direction of rotation of pushing tow screw rod, this drawing horse
Used time, it is necessary to hand-held pulling claw open, clamp after workpiece, it is necessary to manually keep pulling claw clamped condition, then turn pushing tow screw rod,
Make the hook body of pulling claw by after the reaction force of workpiece, hand could be unclamped, in-convenience in use.
Utility model content
Technical problem to be solved in the utility model is：There is provided a kind of pulling claw can Automatic-clamping workpiece drawing horse.
In order to solve the above technical problems, the technical solution adopted in the utility model is：Draw horse, including pushing tow screw rod, pushing tow
It is threaded with screw rod and at least two pulling claw mounting seats being distributed on around pushing tow screw rod is provided with connecting seat, connecting seat,
A pulling claw is connected with by axis of rotation in each pulling claw mounting seat, the shaft parallel in the direction of rotation of pushing tow screw rod,
It is provided with the connecting seat upper surface on a sleeve being socketed on pushing tow screw rod, sleeve outer wall and is provided with external screw thread, is covered
It is socketed with cylinder above a platen, platen and is provided with the look nut being screwed on sleeve, between look nut and platen
It is provided with elastic component, the platen and is provided with inclined-plane corresponding with pulling claw, the inclined-plane is gradually leaned on to pushing tow screw rod from up to down
Closely, the upper end of the pulling claw is protruded upward outside pulling claw mounting seat, and pulling claw upper end offsets with inclined-plane, during the pushing of platen,
Each pulling claw upper end rotates around the axis away from the direction of pushing tow screw rod, while each pulling claw lower end is then close to pushing tow screw rod.
As a kind of preferred scheme, the pulling claw towards the side of pushing tow screw rod be inner side edge, back to pushing tow screw rod
Side is outer side edges, and what it is positioned at pulling claw top, connection inner side edge and outer side edges is top margin, and the inclined-plane is relative to pushing tow screw rod
Inclination angle is α, is offseted or platen inclined-plane against pulling claw upper end drops to pole when each pulling claw is in tightening state and refers to the lower end of each pulling claw
During extreme position, the part that the pulling claw stretches out mounting seat includes top margin and the portion outboard side of pulling claw, and the top margin is bottom-up
Pushing tow screw rod is gradually distance from, top margin is β relative to the inclination angle of pushing tow screw rod, and β is not more than α.
As a kind of preferred scheme, the top margin and outer side edges are by arc transition, and the center of circle of circular arc is located in rotating shaft
Side.
As a kind of preferred scheme, the bottom surface of the connecting seat is provided with the ring surface concentric with pushing tow screw rod, the ring
The outer in shape face connects with inclined-plane, and the ultimate range of the circular arc to spindle central is more than spindle central to ring surface outer most
Small distance, when being rotated when pulling claw lower end towards the direction away from pushing tow screw rod, pulling claw upper end, along inclined-plane slide downward, is pressed against inclined-plane
Disk is rotated further pulling claw by jack-up, pulling claw upper end is eventually disengaged from inclined-plane, into ring surface lower section, is offseted with ring surface, platen
Pulling claw upper end is pressed in, pulling claw is remained on.
As a kind of preferred scheme, a baffle plate being screwed on sleeve is provided with above the look nut, pressure is stated
A sleeve pipe is additionally provided between disk and baffle plate, the sleeve pipe is socketed in outside elastic component and look nut, the lower end of sleeve pipe and pressure
Disk upper end offsets, and the upper end of sleeve pipe and the lower end of baffle plate offset.
Above-mentioned technical proposal has the technical effect that：Platen oppresses pulling claw upper end, works as pulling claw under the elastic force effect of elastic component
Upper end and inclined-plane when offseting, platen drives the lower end of pulling claw to the active force of pulling claw close to pushing tow screw rod, that is, drive pulling claw from
It is dynamic to clamp workpiece；
Again when pulling claw upper end and ring surface offset, platen drives the lower end of pulling claw to the active force of pulling claw towards remote on the contrary
The direction of pushing tow screw rod is rotated, i.e., can keep the open mode of pulling claw.
The technical problem that the utility model further to be solved is：There is provided a kind of pulling claw Automatic-clamping and can realize
The drawing horse that two pawls and three-jaw are replaced.
In order to solve the above technical problems, the utility model is improved on the basis of former technical scheme, the pulling claw peace
It is three to fill seat quantity, and the pulling claw is removably mounted in pulling claw mounting seat, be additionally provided with the connecting seat one it is standby
With mounting seat, standby mounting seat installs that holder structure is identical with pulling claw, and the standby mounting seat is installed with any one pulling claw
Seat is symmetrical arranged relative to pushing tow screw rod.
Above-mentioned technical proposal has the technical effect that：For different operating modes, it may be selected to carry out workpiece using two pawls or three-jaw
Dismounting, when needing to use two pawls, can remove two pulling claws in three original pulling claws positioned at standby mounting seat both sides, so
Remove pulling claw is installed in standby mounting seat afterwards, simple installation, can quickly realize the exchange of three-jaw and two pawls.
The technical problem that the utility model further to be solved is：A kind of drawing horse is provided, the pulling claw of this drawing horse can be certainly
It is dynamic to clamp, it can also realize that two pawls and three-jaw are replaced, and also pulling claw is conveniently replaceable.
In order to solve the above technical problems, the utility model is improved former technical scheme as follows：The pulling claw mounting seat
The mounting groove radially extended including being opened on connecting seat, along pushing tow screw rod, mounting groove along pushing tow screw rod axially through, and even
Formed on the outside of joint chair on insert port, the connecting seat of mounting groove both sides and be coaxially arranged with the groove being engaged with a rotating shaft, it is described
Rabbet respectively in the groove of mounting groove both sides at the two ends of rotating shaft.
As a kind of preferred scheme, a spacer pin is provided with the pulling claw below connecting seat, the spacer pin is put down
Row stretches out outside the pulling claw of place respectively in the rotating shaft on same pulling claw, and the two ends of the spacer pin, spacing when pulling claw rotates around the axis
Pin equally rotates around the axis, and forms an arching trajectory, the bottom surface of the connecting seat is curved surface, and curved surface radian rotates with spacer pin
Axle rotates formed arching trajectory and matched, and the distance between the spacer pin and connecting seat bottom surface are less than the depth of groove.
Above-mentioned technical proposal has the technical effect that：Rotating shaft is directly rabbeted in groove, during dismounting, directly can be pulled out out of groove
Go out claw and rotating shaft, also only need to rotating shaft being connected on pulling claw during installation, pulling claw is then caught in mounting groove, then rotating shaft is embedding
Entering just can be so that dismounting is all very convenient, is easy to the replacing of pulling claw in groove.
In addition, a spacer pin is provided with the pulling claw below connecting seat, and between spacer pin and connecting seat bottom surface
Distance be less than groove depth, it can be ensured that it is normal in use, pulling claw will not Automatic-falling, when need remove when, only need
Pulling claw lower end is rotated to the direction away from pushing tow screw rod, until spacer pin is disconnected the bottom surface of seat, then connected pulling claw
Extracted upwards with rotating shaft, rotating shaft is departed from groove, then according to demolishing process contrary operation during installation pulling claw.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the A-A sectional views in Fig. 1；
Fig. 3 is the structural representation of connecting seat；
Fig. 4 is Fig. 3 B direction views；
Fig. 5 is A-A sectional views when pulling claw is in open mode.
In Fig. 1~Fig. 5：1st, pushing tow screw rod, 2, connecting seat, 3, pulling claw mounting seat, 3-1, mounting groove, 3-2, insert port, 3-
3rd, groove, 4, rotating shaft, 5, pulling claw, 5-1, inner side edge, 5-2, outer side edges, 5-3, top margin, 5-4, circular arc, 6, platen, 7, pressure regulation spiral shell
Mother, 8, elastic component, 9, inclined-plane, 10, sleeve pipe, 11, baffle plate, 12, standby mounting seat, 13, spacer pin, 14, ring surface, 15, sleeve,
16th, workpiece, 17, axle.
Embodiment
Below in conjunction with the accompanying drawings, specific embodiment of the present utility model is described in detail.
Drawing horse as shown in Figure 1, which includes being threaded with connecting seat 2, connecting seat 2 on pushing tow screw rod 1, pushing tow screw rod 1, to be set
It is equipped with least two pulling claw mounting seats 3 being distributed on around pushing tow screw rod 1, each pulling claw mounting seat 3 to rotate by rotating shaft 4 and connects
It is connected to a pulling claw 5, the rotating shaft 4 is provided with one on the upper surface of connecting seat 2 parallel to the direction of rotation of pushing tow screw rod 1
It is provided with the individual sleeve 15 being socketed on pushing tow screw rod 1, the outer wall of sleeve 15 on external screw thread, sleeve and is socketed with a platen 6,
The top of platen 6 is provided with the look nut 7 being screwed on sleeve 15, and elastic component 8 is provided between look nut 7 and platen 6,
Inclined-plane 9 corresponding with pulling claw 5 is provided with the platen 6, the inclined-plane 9 is gradually close to pushing tow screw rod 1 from up to down, it is described to draw
The upper end of pawl 5 is protruded upward outside pulling claw mounting seat 3, and the upper end of pulling claw 5 offsets with inclined-plane 9, during the pushing of platen 6, each to draw
The upper end of pawl 54 is rotated around the shaft away from the direction of pushing tow screw rod 1, while the lower end of each pulling claw 5 is then close to pushing tow screw rod 1.
Platen 6 oppresses the upper end of pulling claw 5 under the elastic force effect of elastic component 8, when the upper end of pulling claw 5 offsets with inclined-plane 9,
Platen 6 drives the lower end of pulling claw 5 close to pushing tow screw rod 1 to the active force of pulling claw 5, that is, drives pulling claw Automatic-clamping workpiece.
Elastic component 8 can be gum sleeve or ring spring, the preferred practicality ring spring in the utility model.
In actual production, inclined-plane 9 can be provided on connecting seat, the circular cone centered on pushing tow screw stem
Face.
The pulling claw 5 is inner side edge 5-1 towards the side of pushing tow screw rod 1, is outer side edges 5- back to the side of pushing tow screw rod 1
2, it is top margin 5-3 positioned at the top of pulling claw 5, connection inner side edge 5-1 and outer side edges 5-2, the inclined-plane 9 is relative to pushing tow screw rod 1
Inclination angle be α, when each pulling claw 5 be in tightening state refer to each pulling claw 5 lower end offset or the inclined-plane of platen 6 be pressed against the upper end of pulling claw 5 under
When dropping to extreme position, the part that the pulling claw 5 stretches out mounting seat 3 includes drawing 5 top margin 5-3 and portion outboard side 5-2, described
Top margin 5-3 is bottom-up to be gradually distance from pushing tow screw rod 1, and top margin 5-3 is β relative to the inclination angle of pushing tow screw rod 1, and β is not more than α.
β, which is not more than α, can ensure that platen 6 can drive each pulling claw 5 to be in a quiescent state under the elastic force of elastic component 8
Tightening state, reduces memory space.
The top margin 5-3 and outer side edges 5-2 are located at the top of rotating shaft 4 by circular arc 5-4 transition, the circular arc 5-4 center of circle,
During pulling claw 5 is gradually opened, circular arc 5-4 and the sliding contact of inclined-plane 9 slow down the rate of climb of platen 6, reduce pulling claw 5 dozens
By the reaction force of elastic component 8 when opening.
The bottom surface of the connecting seat 2 is provided with the ring surface 14 concentric with pushing tow screw rod 1, the outer of the ring surface 14 with tiltedly
Face 9 connects, and the circular arc 5-4 to the center of rotating shaft 4 ultimate range is more than the center of rotating shaft 4 to the most narrow spacing of the outer of ring surface 14
From, when being rotated when the lower end of pulling claw 5 towards the direction away from pushing tow screw rod 1, the upper end of pulling claw 5 is pressed against inclined-plane 9 along the slide downward of inclined-plane 9,
Platen 6 is rotated further pulling claw 5 by jack-up, the upper end of pulling claw 5 is eventually disengaged from inclined-plane 9, into the lower section of ring surface 14, with ring surface
14 offset, and platen 6 is pressed in the upper end of pulling claw 5, remains on pulling claw 5.
When the upper end of pulling claw 5 and ring surface 14 offset, platen 6 drives the lower end of pulling claw 5 to the active force of pulling claw 5 on the contrary
Rotated towards the direction away from pushing tow screw rod 1, i.e., can keep the open mode of pulling claw 5.
The top of look nut 7 is provided with a baffle plate being screwed on sleeve 15 11, states between platen 6 and baffle plate 11
A sleeve pipe 10 is additionally provided with, the sleeve pipe 10 is socketed in outside elastic component 8 and look nut 7, on the lower end of sleeve pipe 10 and platen 6
End offsets, and the upper end and the lower end of baffle plate 11 of sleeve pipe 10 offset.
Sleeve pipe 10 coordinates platen 6 and baffle plate 11, forms a cavity close to closing, elastic component 8 and adjusting nut 7 are set
Put in the cavity, prevent that elastic component 8 and adjusting nut 7 are contaminated, while being also prevented from adjusting nut 7 by mistuning.
The quantity of pulling claw mounting seat 3 is three, and the pulling claw 5 is removably mounted in pulling claw mounting seat 3, described
A standby mounting seat 12 is additionally provided with connecting seat 2, standby mounting seat 12 is identical with the structure of pulling claw mounting seat 3, described
Standby mounting seat 12 is symmetrical arranged with any one pulling claw mounting seat 3 relative to pushing tow screw rod 1.
For different operating modes, it may be selected to dismantle workpiece using two pawls or three-jaw, can be by when needing to use two pawls
Two pulling claws 5 in three pulling claws 5 originally positioned at the standby both sides of mounting seat 12 are removed, then by remove pulling claw 5
It is installed in standby mounting seat 12, simple installation, can quickly realizes the exchange of three-jaw and two pawls.
The pulling claw mounting seat 3 includes the mounting groove 3-1 for being opened on connecting seat 2, being radially extended along pushing tow screw rod 1, peace
Tankage 3-1 is along pushing tow screw rod 1 axially through and forming insert port 3-2, the connecting seat of mounting groove 3-1 both sides in the outside of connecting seat 2
The groove 3-3 being engaged with a rotating shaft 4 is coaxially arranged with 2, the two ends of the rotating shaft 4 are rabbeted in mounting groove 3-1 two respectively
In the groove 3-3 of side.
Rotating shaft 4 is directly rabbeted in groove 3-3, during dismounting, and claw 5 and rotating shaft 4 can be extracted directly out of groove 3-3, peace
Also only need to rotating shaft 4 being connected on pulling claw 5 during dress, keep rotating shaft 4 to be located above groove 3-3, by pulling claw 5 from insert port 3-2
Insert in mounting groove 3-1, then rotating shaft 4 is embedded in groove 3-3 just completes installations, dismounting is all very convenient, is easy to pulling claw 5 more
Change.
A spacer pin 13 is provided with the pulling claw 5 of the lower section of connecting seat 2, the spacer pin 13 is parallel to same pulling claw 5
On rotating shaft 4, and the spacer pin 13 two ends stretch out respectively where outside pulling claw 5, pulling claw 5 is around the shaft 4 when rotating, and spacer pin 13 is same
Sample 4 is rotated around the shaft, forms an arching trajectory, and the bottom surface of the connecting seat 2 is curved surface, curved surface radian and spacer pin 13 around
Rotating shaft 4 rotates formed arching trajectory and matched, and the distance between the spacer pin 13 and the bottom surface of connecting seat 2 are less than groove 3-
3 depth.
The distance between spacer pin 13, and spacer pin 13 and the bottom surface of connecting seat 2 are set on the pulling claw 5 below connecting seat 2
Less than groove 3-3 depth, it can be ensured that it is normal in use, pulling claw 5 will not Automatic-falling, when need remove when, only need
The lower end of pulling claw 5 is rotated to the direction away from pushing tow screw rod 1, until spacer pin 13 is disconnected the bottom surface of seat 2, then will be drawn
Pawl 5 is extracted upwards together with rotating shaft 4, rotating shaft 4 is departed from groove 3-3, is then inversely grasped according to demolishing process when installing pulling claw 5
Make.
Operation principle of the present utility model is：It is that pulling claw 5 is received naturally under the active force of platen 6 in original state to draw horse
Tightly, operating personnel are picked up after drawing horse, and both hands respectively hold a pulling claw 5, are flared out, and pulling claw 54 is rotated around the shaft, and the upper end of pulling claw 5 is supported
The inwardly rotation of inclined-plane 9, platen 6 rises under reaction force, and elastic component 8 is by compress energy storage, and not hand-held pulling claw 5 is in platen
After 6 rise, pressure is lost, in only rotary state, drawing horse 5 is tilted to the pulling claw 5 of the free state, the free state
Pulling claw 5 open naturally, afterwards, operating personnel can by draw horse be installed on the workpiece 16 to be removed such as bearing, release hand to pulling claw 5
Pulling force, pulling claw 5 inwardly clamps under the active force of platen 6 immediately, clamps workpiece 16, as shown in Figure 1.
Clamp after workpiece, turn pushing tow screw rod 1, decline pushing tow screw rod 1, until the axle 17 at the center of workpiece 16 is withstood,
Continue to turn pushing tow screw rod 1, then workpiece 16 can slowly be pulled down from axle 17.
Said process, which only needs to an operating personnel, to be easily accomplished.
When needing Three-claw pull-horse being replaced with two pawls drawing horse, standby mounting seat 12 can will be located in three original pulling claws 5
Two pulling claws 5 of both sides are removed, and then remove pulling claw 5 are installed in standby mounting seat 12, simple installation can
The quick exchange for realizing three-jaw and two pawls.
Claims (8)
1. being threaded with connecting seat (2) on drawing horse, including pushing tow screw rod (1), pushing tow screw rod (1), connecting seat is provided with (2)
At least two are distributed on the pulling claw mounting seat (3) around pushing tow screw rod (1), each pulling claw mounting seat (3) by rotating shaft (4) turn
It is dynamic to be connected with a pulling claw (5), direction of rotation of the rotating shaft (4) parallel to pushing tow screw rod (1), it is characterised in that the company
It is provided with joint chair (2) upper surface on a sleeve being socketed on pushing tow screw rod (1) (15), sleeve (15) outer wall outside being provided with
It is socketed with screw thread, sleeve above a platen (6), platen (6) and is provided with the look nut being screwed on sleeve (15)
(7), be provided between look nut (7) and platen (6) on elastic component (8), the platen (6) be provided with it is corresponding with pulling claw (5)
Inclined-plane (9), the inclined-plane (9) is gradually close to pushing tow screw rod (1) from up to down, and the upper end of the pulling claw (5) protrudes upward drawing
Outside, pulling claw (5) upper end offsets pawl mounting seat (3) with inclined-plane (9), during the pushing of platen (6), each pulling claw (5) upper end court
The direction away from pushing tow screw rod (1), (4) are rotated around the shaft, while each pulling claw (5) lower end is then close to pushing tow screw rod (1).
2. drawing horse according to claim 1, it is characterised in that the pulling claw (5) towards the side of pushing tow screw rod (1) be interior
Side (5-1), is outer side edges (5-2) back to the side of pushing tow screw rod (1), at the top of pulling claw (5), connection inner side edge (5-1)
It is top margin (5-3) with outer side edges (5-2), the inclined-plane (9) is α relative to the inclination angle of pushing tow screw rod (1), when each pulling claw (5)
In tightening state (lower end for referring to each pulling claw (5) offsets or platen (6) inclined-plane against pulling claw (5) upper end drops to extreme position)
When, the part that the pulling claw (5) stretches out mounting seat (3) includes the top margin (5-3) and portion outboard side (5-2) of pulling claw (5), described
Top margin (5-3) is bottom-up to be gradually distance from pushing tow screw rod (1), and top margin (5-3) is β relative to the inclination angle of pushing tow screw rod (1), and β is not
More than α.
3. drawing horse according to claim 2, it is characterised in that the top margin (5-3) and outer side edges (5-2) pass through circular arc
(5-4) transition, the center of circle of circular arc (5-4) is located above rotating shaft (4).
4. drawing horse according to claim 3, it is characterised in that the bottom surface of the connecting seat (2) is provided with and pushing tow screw rod
(1) concentric ring surface (14), the outer of the ring surface (14) connects with inclined-plane (9), and the circular arc (5-4) is arrived in rotating shaft (4)
The ultimate range of the heart is more than rotating shaft (4) center to the minimum range of ring surface (14) outer, when pulling claw (5) lower end is towards away from pushing tow
When the direction of screw rod (1) is rotated, pulling claw (5) upper end is against inclined-plane 9 along the slide downward of inclined-plane 9, and platen (6) continues to turn by jack-up
Dynamic pulling claw (5), makes pulling claw (5) upper end eventually disengage from inclined-plane (9), into ring surface (14) lower section, offsets, presses with ring surface (14)
Disk (6) is pressed in pulling claw (5) upper end, remains on pulling claw (5).
5. drawing horse according to claim 4, it is characterised in that be provided with one above the look nut (7) and be screwed in
Baffle plate (11) on sleeve (15), states and a sleeve pipe (10) is additionally provided between platen (6) and baffle plate (11), the sleeve pipe (10) set
It is connected on elastic component (8) and look nut (7) is outside, lower end and platen (6) upper end of sleeve pipe (10) offsets, the upper end of sleeve pipe (10)
Offseted with the lower end of baffle plate (11).
6. according to any described drawing horse of Claims 1 to 5, it is characterised in that pulling claw mounting seat (3) quantity is three,
The pulling claw (5) is removably mounted in pulling claw mounting seat (3), and a standby installation is additionally provided with the connecting seat (2)
Seat (12), standby mounting seat (12) is identical with pulling claw mounting seat (3) structure, the standby mounting seat (12) and any one
Pulling claw mounting seat (3) is symmetrical arranged relative to pushing tow screw rod (1).
7. according to any described drawing horse of claim 6, it is characterised in that the pulling claw mounting seat (3) includes being opened in connection
On seat (2), the mounting groove (3-1) that is radially extended along pushing tow screw rod (1), mounting groove (3-1) along pushing tow screw rod (1) axially through,
And be coaxially arranged with and one on formation insert port (3-2), the connecting seat (2) of mounting groove (3-1) both sides on the outside of connecting seat (2)
Rabbet the groove (3- in mounting groove (3-1) both sides respectively in the groove (3-3) that rotating shaft (4) is engaged, the two ends of the rotating shaft (4)
3) in.
8. drawing horse according to claim 7, it is characterised in that be provided with one on the pulling claw (5) below connecting seat (2)
Root spacer pin (13), the spacer pin (13) divides parallel to the rotating shaft (4) on same pulling claw (5), and the two ends of the spacer pin (13)
Not Shen Chu where pulling claw (5) outside, pulling claw (5) around the shaft (4) rotate when, spacer pin (13) equally around the shaft (4) rotate, formed one
Individual arching trajectory, the bottom surface of the connecting seat (2) is curved surface, and (4) rotation is formed curved surface radian around the shaft with spacer pin (13)
Arching trajectory match, the distance between the spacer pin (13) and connecting seat (2) bottom surface are less than the depth of groove (3-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621354510.XU CN206393544U (en) | 2016-12-12 | 2016-12-12 | Draw horse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621354510.XU CN206393544U (en) | 2016-12-12 | 2016-12-12 | Draw horse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206393544U true CN206393544U (en) | 2017-08-11 |
Family
ID=59508729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621354510.XU Active CN206393544U (en) | 2016-12-12 | 2016-12-12 | Draw horse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206393544U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109264651A (en) * | 2018-10-19 | 2019-01-25 | 北京镁伽机器人科技有限公司 | Switch cover external member and with switch lid function robot |
-
2016
- 2016-12-12 CN CN201621354510.XU patent/CN206393544U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109264651A (en) * | 2018-10-19 | 2019-01-25 | 北京镁伽机器人科技有限公司 | Switch cover external member and with switch lid function robot |
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