CN209038950U - A kind of highway bridge jack - Google Patents
A kind of highway bridge jack Download PDFInfo
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- CN209038950U CN209038950U CN201821333197.0U CN201821333197U CN209038950U CN 209038950 U CN209038950 U CN 209038950U CN 201821333197 U CN201821333197 U CN 201821333197U CN 209038950 U CN209038950 U CN 209038950U
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Abstract
The utility model discloses a kind of highway bridge jack, including bearing head and guard circle, the bottom of the bearing head is provided with guard circle, the bottom of the guard circle is fixedly connected with clamping ring, the bottom of the clamping ring is connected with cylinder, the bottom of the cylinder is connected with pedestal, fixing screws are provided at the top of the pedestal, the right hand top of the pedestal is connected with pressured column, link block is rotatably connected at the top of the pressured column, and rotating block is connected at the top of pressured column, cross bar is rotatably connected on the right side of the rotating block, extending head is fixedly connected on the right side of the cross bar, the quadrangle of pedestal is provided with fixation hole, jack is fixed at the top of ground by fixing screws by passing through fixation hole, nail tip penetrates ground and is fixed on inside ground, stationarity will be more preferable, cross bore is provided at the top of nut, pass through screwdriver Very easily fixing screws can be taken out, operate more convenient.
Description
Technical field
The present invention relates to highway bridge construction technical fields, and in particular to a kind of highway bridge jack.
Background technique
Jack, which refers to, uses rigid top lift part as equipment, by the small stroke of top bracket or bottom claw
Open the light and small lifting equipment of weight.Jack is mainly used for the departments such as factories and miness, communications and transportation as Mechanical Help and other
The work such as weight, support.Its light structure is firm, flexibility and reliability, and a people can carry and operate.
Jack, which is divided into, mechanic jacks and hydraulic jack etc., and principle is had nothing in common with each other.In principle, hydraulic biography
The dynamic most basic principle being based on is exactly Pascal's law, that is to say, that the pressure of liquid everywhere is consistent.In this way,
In the system of balance, the pressure that smaller piston upper applies is smaller, and the pressure applied on big piston is also bigger,
It is able to maintain the static of liquid in this way.So by the transmitting of liquid, different pressure on available difference end, so that it may reach
The purpose converted to one.People it is common to hydraulic jack be exactly the transmitting that this principle is utilized to reach power.Spiral shell
Jin top is screwed off back and forth to pull handle, pusher dog pushes the revolution of ratchet gap, and cone pinion drives large bevel gear, makes weight lifting screw rod
Rotation so that jacking sleeve be made to obtain raising or decline, and reaches the function of lifting pulling force, but simple not as good as hydraulic jack.
Existing technology has the following problems: existing jack is connected with set square in the surrounding of cylinder, set square
Bottom is fixedly connected with pedestal, and pedestal is placed on gentle level land by when use, then needs are jacked up by way of pressurization
Construction material jacks up, and jack cannot be allowed the case where tipping occur in use, multiple set squares for pedestal and
Cylinder is played a supporting role, but set square is during fabrication it is possible that the non-uniform situation of quality, will lead to jack
The case where tilting, and pedestal is located on ground, if error occurs in the angle for jacking up building materials, pedestal will be detached from
Ground is to cause falling for damage of jack and building materials, or even injures construction worker by a crashing object.
Summary of the invention
(1) technical problems to be solved
In order to overcome the shortage of prior art, it is proposed that a kind of highway bridge jack solves jack set forth above
It is difficult to fixation problem, reaches jack stabilization and ground fixed effect.
(2) technical solution
The present invention is achieved through the following technical solutions: the invention proposes a kind of highway bridge jack, including load-bearing
Head and guard circle, the bottom of the bearing head are provided with guard circle, and the bottom of the guard circle is fixedly connected with clamping ring, described
The bottom of clamping ring is connected with cylinder, and the shape of the guard circle is in the circular ring shape of intermediate hollow, and the bearing head passes through protection
The middle section of circle, and the bottom of bearing head is connected to the inside of cylinder, is provided with connecting hole above the right part of the cylinder, institute
It states and is connected with handle on the right side of connecting hole, the left end of the handle passes through connecting hole, and the left end of handle is fixed on the interior of cylinder
Portion, the bottom of the cylinder are connected with pedestal, and fixing screws are provided at the top of the pedestal, and the fixing screws are provided with altogether
Four, and four fixing screws are separately positioned on the quadrangle of pedestal, the right hand top of the pedestal is connected with pressured column, institute
It states and is rotatably connected to link block at the top of pressured column, and be connected with rotating block at the top of pressured column, the rotating block passes through connection
Block and pressured column are rotatablely connected, and are rotatably connected to cross bar on the right side of the rotating block, are fixedly connected with and prolong on the right side of the cross bar
Long head.
Further, the cylinder includes shell, big piston, small piston, cylinder body, retainer ring, oil circuit, oil connection, sealing
Ring, ring and circlip, the top center of the shell are provided with big piston, and the big piston is in the circular ring shape of center hollow,
The center top of the big piston is provided with small piston, and the bottom of big piston is connected with sealing ring, the bottom of the sealing ring
It is connected with ring, the inner hollow of the shell, the interior bottom portion of the shell is provided with circlip, and the right side of shell is fixed
It is connected with cylinder body, the right side central of the cylinder body is connected with oil circuit, and the side of the oil circuit is connected with retainer ring, and the right side of oil circuit
It is connected with oil connection.
Further, the fixing screws include nut, threaded post, lock ring and nail tip, among the bottom of the nut
It is fixedly connected with threaded post, lock ring is connected on the outside of the threaded post, the shape of the lock ring is in the circle of inner hollow
Annular, and the inner surface of lock ring is provided with internal screw thread, the lock ring is rotatablely connected by internal screw thread and threaded post, the spiral shell
The bottom of line column is fixedly connected with nail tip.
Further, the link block includes rear fixed plate, connecting plate, front shoe and through-hole, the rear fixed plate
Right side is fixedly connected with connecting plate, and the left forward side of the connecting plate is fixedly connected with front shoe, the table of the front shoe
Face is provided with through-hole, and there are two the through-hole is arranged altogether, and the surface of rear fixed plate is arranged in another described through-hole.
Further, there are two the connecting hole is arranged altogether, and two connecting holes are separately positioned on the two sides of cylinder,
The both ends of the handle are each passed through two connecting holes and are fixedly connected with cylinder, and the quadrangle of the pedestal is internally provided with fixation
Hole, the fixing screws are inserted into ground firm banking by passing through fixation hole.
Further, the shape of the bearing head is in cross, and bearing head is manufactured using manganese steel.
Further, the both ends of the retainer ring are in the circular ring shape of inner hollow, and the whole semicircular in shape of retainer ring, the oil
Road is fixedly connected by retainer ring with cylinder body, and the oil connection is fixedly connected by retainer ring with oil circuit.
Further, the connecting plate is vertical with rear fixed plate, and connecting plate is vertical with front shoe, the rear fixed plate
It is parallel to each other with front shoe, and the one end of rear fixed plate and front shoe far from connecting plate is rounded.
(3) beneficial effect
The present invention compared with the existing technology, has the advantages that
Highway bridge of the present invention is provided with fixation hole in the quadrangle of pedestal with jack, and four fixing screws are by passing through four
Jack is fixed at the top of ground by a fixation hole, and the middle and lower part of fixing screws is connected with lock ring, and lock ring is located at ground
Between pedestal, it can prevent pedestal from wild effect appearance occur, nail tip penetrates ground and is fixed on inside ground, stationarity
Will be more preferable, jack is not in be provided with cross bore the case where tilting or collapse at the top of nut, lead to during use
Can easily fixing screws be taken out very much by crossing screwdriver, and such construction worker is when being fixed jack or moving, operation
Get up more convenient.
Detailed description of the invention
Fig. 1 is a kind of highway bridge jack structure figure.
Fig. 2 is jack top structure figure.
Fig. 3 is the column body structure chart of jack.
Fig. 4 is fixing screws structure chart.
Fig. 5 is connecting block structure figure.
1- bearing head；2- guard circle；3- clamping ring；4- cylinder；40- shell；The big piston of 41-；42- small piston；43- cylinder
Body；44- retainer ring；45- oil circuit；46- oil connection；47- sealing ring；48- ring；49- circlip；5- connecting hole；6- handle；7-
Rotating block；8- cross bar；9- extending head；10- pressured column；11- link block；111- rear fixed plate；112- connecting plate；It is fixed before 113-
Plate；114- through-hole；12- pedestal；13- fixing screws；131- nut；132- threaded post；133- lock ring；134- nail tip.
Specific embodiment
In the technical program:
Fixing screws 13, nut 131, threaded post 132, lock ring 133 and nail tip 134 are the present invention containing essence innovation
Property component.
Bearing head 1, clamping ring 3, cylinder 4, connecting hole 5, handle 6, rotating block 7, cross bar 8, extending head 9, adds guard circle 2
Compression leg 10, link block 11 and the pedestal 12 essential connectivity component of technical solution to realize the present invention.
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
A kind of highway bridge jack as shown in Figs. 1-5, including bearing head 1 and guard circle 2, the bottom of bearing head 1
It is provided with guard circle 2, the bottom of guard circle 2 is fixedly connected with clamping ring 3, and the bottom of clamping ring 3 is connected with cylinder 4, guard circle 2
Shape be in intermediate hollow circular ring shape, bearing head 1 passes through the middle section of guard circle 2, and the bottom of bearing head 1 is connected to column
The right part top of the inside of body 4, cylinder 4 is provided with connecting hole 5, and the right side of connecting hole 5 is connected with handle 6, and the left end of handle 6 is worn
Connecting hole 5 is crossed, and the left end of handle 6 is fixed on the inside of cylinder 4, the bottom of cylinder 4 is connected with pedestal 12, the top of pedestal 12
Fixing screws 13 are provided with, there are four the total settings of fixing screws 13, and four fixing screws 13 are separately positioned on the four of pedestal 12
Angle, the right hand top of pedestal 12 are connected with pressured column 10, and the top of pressured column 10 is rotatably connected to link block 11, and pressured column 10
Top be connected with rotating block 7, rotating block 7 is rotatablely connected by link block 11 and pressured column 10, and the right side of rotating block 7, which rotates, to be connected
It is connected to cross bar 8, the right side of cross bar 8 is fixedly connected with extending head 9.
Wherein, cylinder 4 includes shell 40, big piston 41, small piston 42, cylinder body 43, retainer ring 44, oil circuit 45, oil connection
46, sealing ring 47, ring 48 and circlip 49, the top center of shell 40 are provided with big piston 41, and big piston 41 is in center
Empty circular ring shape, the center top of big piston 41 are provided with small piston 42, and small piston 42 can eject among big piston 41,
To be supported to bearing head 1, and the bottom of big piston 41 is connected with sealing ring 47, and the bottom of sealing ring 47 is connected with circle
Circle 48, the inner hollow of shell 40, the interior bottom portion of shell 40 are provided with circlip 49, and shell 40 can protect internal sealing
Ring 47, ring 48 and circlip 49, and the right side of shell 40 is fixedly connected with cylinder body 43, the right side central of cylinder body 43 is connected with oil
Road 45, oil circuit 45 can make hydraulic oil back and forth flow back and forth, can hydraulic oil is recycled, the side connection of oil circuit 45
There is retainer ring 44, and the right side of oil circuit 45 is connected with oil connection 46, oil connection 46 is connect with pressured column 10.
Wherein, fixing screws 13 include nut 131, threaded post 132, lock ring 133 and nail tip 134, the bottom of nut 131
Threaded post 132 is fixedly connected among portion, the outside of threaded post 132 is connected with lock ring 133, and the shape of lock ring 133 is in interior
The hollow circular ring shape in portion, and the inner surface of lock ring 133 is provided with internal screw thread, lock ring 133 passes through internal screw thread and threaded post 132
Rotation connection, being connected through a screw thread can be more stable, and installation and removal are more convenient, and the bottom of threaded post 132 is fixedly connected with
Nail tip 134, nail tip 134 are easier to hammer into ground.
Wherein, link block 11 includes rear fixed plate 111, connecting plate 112, front shoe 113 and through-hole 114, rear fixed plate
111 right side is fixedly connected with connecting plate 112, and connecting plate 112 connects two fixed plates, and stationarity is also preferable, even
The left forward side of fishplate bar 112 is fixedly connected with front shoe 113, and the surface of front shoe 113 is provided with through-hole 114, through-hole
There are two 114 total settings, and the surface of rear fixed plate 111 is arranged in another through-hole 114, and spike and nut pass through two through-holes
114 can be rotatablely connected pressured column 10 and rotating block 7, and can be rotated by spike.
Wherein, connecting hole 5 is altogether there are two settings, and two connecting holes 5 are separately positioned on the two sides of cylinder 4, and the two of handle 6
End is each passed through two connecting holes 5 and is fixedly connected with cylinder 4, so that it may lift handle 6 to mobile, the pedestal by entire jack
12 quadrangle is internally provided with fixation hole, and fixing screws 13 are inserted into ground firm banking 12 by passing through fixation hole.
Wherein, the shape of bearing head 1 be in cross, criss-cross structure there are four triangle sets at, stationarity is fine, and
Bearing head 1 is manufactured using manganese steel, manganese steel it is slight very high, can prevent bearing head 1 from deforming.
Wherein, the both ends of retainer ring 44 are in the circular ring shape of inner hollow, and the whole semicircular in shape of retainer ring 44, oil circuit 45 pass through
Retainer ring 44 is fixedly connected with cylinder body 43, prevents hydraulic fluid leak, and building materials can not be jacked up by causing stress deficiency, and oil connection 46 is logical
It crosses retainer ring 44 to be fixedly connected with oil circuit 45, hydraulic oil will not leak out during flowing back and forth.
Wherein, connecting plate 112 is vertical with rear fixed plate 111, and connecting plate 112 is vertical with front shoe 113, rear fixed plate
111 is parallel to each other with front shoe 113, and rear fixed plate 111 and front shoe 113 can be pressured columns 10 and 7 turns of rotating block
Dynamic connection, and the one end of rear fixed plate 111 with front shoe 113 far from connecting plate 112 is rounded, circular structure it is more enough so that
Rotating block 7 preferably rotates.
A kind of highway bridge jack that the present invention mentions needs to connect cylinder body 43, oil circuit 45 and oil pipe before use
Connection and sealing between first 46 are checked that the problem of checking need to repair or replace in time component, prevent hydraulic oil to move back
When dynamic, hydraulic oil is leaked out from gap and pressure release, causes the pressure of two pistons inadequate, can not rise bearing head 1, thus
Cause building materials that cannot be jacked up, after maintenance can normal use, the floor cleaning that jack need to be placed first is clean, and
One centimetre of depth zero of a diameter is made a call to the top in hole in the hole for making a call to two centimetres of depths on the ground according to the four of pedestal 12 fixation holes again
The hole of three centimetres of point, then lock ring 133 is fixed in hole, handle 6 is with the hands held and lifts entire jack, it puts
It sets onto the specified ground placed in building site, adjusts direction and position and slowly put down jack and unclamp handle 6, then use spiral shell
Silk four fixing screws 13 of hilt and pedestal 12 are fixed, and the cross for first picking up screwdriver 131 top of point of a knife insertion nut is recessed
Inside slot, fixing screws 13 are passed through to 12 4 jiaos of pedestal of fixation hole, slowly fixing screws 13 are passed through pedestal by rotation screw knife
12 and go deep into the hole on ground, nail tip 134 has certain sharpness, the hole in earth's surface can be bored it is deep, until that can not rotate
Screwdriver and fixing screws 13, jack just fixes at this time, will not collapse when building materials are supported and jacked up
Accident four fixing screws 13 are taken out with screwdriver after jack use, it will be able to jack for moving, installation
It is also very convenient with dismantling.
The above-described embodiments are merely illustrative of preferred embodiments of the present invention, not to structure of the invention
Think and range is defined.Without departing from the design concept of the invention, ordinary people in the field is to technology of the invention
The all variations and modifications that scheme is made, should all drop into protection scope of the present invention, the claimed technology contents of the present invention,
It is all described in the claims.
Claims (8)
1. a kind of highway bridge jack, including bearing head (1) and guard circle (2), it is characterised in that: the bearing head (1)
Bottom be provided with guard circle (2), the bottom of the guard circle (2) is fixedly connected with clamping ring (3), the clamping ring (3)
Bottom is connected with cylinder (4), and the shape of the guard circle (2) is in the circular ring shape of intermediate hollow, and the bearing head (1) passes through protection
The middle section of (2) is enclosed, and the bottom of bearing head (1) is connected to the inside of cylinder (4), sets above the right part of the cylinder (4)
It is equipped with connecting hole (5), is connected with handle (6) on the right side of the connecting hole (5), the left end of the handle (6) passes through connecting hole
(5), and the left end of handle (6) is fixed on the inside of cylinder (4), and the bottom of the cylinder (4) is connected with pedestal (12), the bottom
It is provided with fixing screws (13) at the top of seat (12), there are four the total settings of the fixing screws (13), and four fixed spiral shells
Nail (13) is separately positioned on the quadrangle of pedestal (12), and the right hand top of the pedestal (12) is connected with pressured column (10), described to add
It is rotatably connected at the top of compression leg (10) link block (11), and is connected with rotating block (7), the rotation at the top of pressured column (10)
Block (7) is rotatablely connected by link block (11) and pressured column (10), is rotatably connected to cross bar (8) on the right side of the rotating block (7),
Extending head (9) are fixedly connected on the right side of the cross bar (8).
2. a kind of highway bridge jack according to claim 1, it is characterised in that: the cylinder (4) includes shell
(40), big piston (41), small piston (42), cylinder body (43), retainer ring (44), oil circuit (45), oil connection (46), sealing ring
(47), the top center of ring (48) and circlip (49), the shell (40) is provided with big piston (41), the big piston
(41) in the circular ring shape of center hollow, the center top of the big piston (41) is provided with small piston (42), and big piston (41)
Bottom be connected with sealing ring (47), the bottom of the sealing ring (47) is connected with ring (48), the shell (40) it is interior
Portion is hollow, and the interior bottom portion of the shell (40) is provided with circlip (49), and is fixedly connected with cylinder body on the right side of shell (40)
(43), the right side central of the cylinder body (43) is connected with oil circuit (45), and the side of the oil circuit (45) is connected with retainer ring (44), and
Oil connection (46) are connected on the right side of oil circuit (45).
3. a kind of highway bridge jack according to claim 1, it is characterised in that: the fixing screws (13) include
Nut (131), threaded post (132), lock ring (133) and nail tip (134) are fixedly connected among the bottom of the nut (131)
Have threaded post (132), be connected with lock ring (133) on the outside of the threaded post (132), the shape of the lock ring (133) is in
The circular ring shape of inner hollow, and the inner surface of lock ring (133) is provided with internal screw thread, the lock ring (133) passes through internal screw thread
It is rotatablely connected with threaded post (132), the bottom of the threaded post (132) is fixedly connected with nail tip (134).
4. a kind of highway bridge jack according to claim 1, it is characterised in that: after the link block (11) includes
The right side of fixed plate (111), connecting plate (112), front shoe (113) and through-hole (114), the rear fixed plate (111) is fixed
It is connected with connecting plate (112), the left forward side of the connecting plate (112) is fixedly connected with front shoe (113), fixed before described
The surface of plate (113) is provided with through-hole (114), and there are two the total settings of the through-hole (114), and another described through-hole (114)
Surface in rear fixed plate (111) is set.
5. a kind of highway bridge jack according to claim 1, it is characterised in that: the connecting hole (5) is arranged altogether
There are two, and two connecting holes (5) are separately positioned on the two sides of cylinder (4), the both ends of the handle (6) are each passed through two
A connecting hole (5) is fixedly connected with cylinder (4), and the quadrangle of the pedestal (12) is internally provided with fixation hole, the fixing screws
(13) by passing through fixation hole insertion ground firm banking (12).
6. a kind of highway bridge jack according to claim 1, it is characterised in that: the shape of the bearing head (1)
In cross, and bearing head (1) is manufactured using manganese steel.
7. a kind of highway bridge jack according to claim 2, it is characterised in that: the both ends of the retainer ring (44) are in
The circular ring shape of inner hollow, and the whole semicircular in shape of retainer ring (44), the oil circuit (45) pass through retainer ring (44) and cylinder body (43)
It is fixedly connected, the oil connection (46) is fixedly connected by retainer ring (44) with oil circuit (45).
8. a kind of highway bridge jack according to claim 4, it is characterised in that: the connecting plate (112) is with after
Vertically, and connecting plate (112) is vertical with front shoe (113), the rear fixed plate (111) and front shoe for fixed plate (111)
(113) parallel to each other, and the one end of rear fixed plate (111) with front shoe (113) far from connecting plate (112) is rounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821333197.0U CN209038950U (en) | 2018-08-18 | 2018-08-18 | A kind of highway bridge jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821333197.0U CN209038950U (en) | 2018-08-18 | 2018-08-18 | A kind of highway bridge jack |
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| Publication Number | Publication Date |
|---|---|
| CN209038950U true CN209038950U (en) | 2019-06-28 |
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ID=67031118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821333197.0U Active CN209038950U (en) | 2018-08-18 | 2018-08-18 | A kind of highway bridge jack |
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| Country | Link |
|---|---|
| CN (1) | CN209038950U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108689330A (en) * | 2018-08-18 | 2018-10-23 | 吴江市明港道桥工程有限公司 | A kind of highway bridge jack |
-
2018
- 2018-08-18 CN CN201821333197.0U patent/CN209038950U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108689330A (en) * | 2018-08-18 | 2018-10-23 | 吴江市明港道桥工程有限公司 | A kind of highway bridge jack |
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